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Old 12-28-2006, 02:02 PM
  #1    
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Default MIL-H-5606A vs. MIL-H-5606G - Hydraulic Oil

Whats the difference??
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Old 12-28-2006, 02:10 PM
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Default Re: MIL-H-5606A vs. MIL-H-5606G - Hydraulic Oil

I 'm bored so here you go......

Product Description
Mobil Aero HFA is formulated for aircraft systems where use of hydrocarbon-based hydraulic fluids is required. It is a low viscosity, high VI (viscosity index) fluid with excellent low temperature properties, good anti-wear performance, and good chemical stability. Mobil Aero HFA is composed of mineral base oil stock and contains shear-stable VI improvers.

Features & Benefits
Mobil Aero HFA aviation hydraulic fluid is designed to meet the demanding requirements of commercial and military aircraft applications. This high quality formulation has a long history of excellent performance and provide long, trouble-free service over a wide range of operating conditions. Product features and potential benefits include:


Features
Advantages and Potential Benefits
High Viscosity Index (VI) Allows equipment operation over a wide range of temperatures
Excellent low temperature properties Provides high performance operation in low ambient conditions
Good chemical and oxidation stability Resists the formation of acidic constituents, varnishes, and deposits

Applications
Mobil Aero HFA is a premium quality fluid that meets the requirements of the U.S. Military specification MIL-H-5606A (now obsolete). It has a very high VI and is suitable for use at temperatures down to -54C (-65F). While this quality fluid is no longer used by the U.S. Military, it is still used in some older, small private, and commercial aircraft. It is also used in industrial and commercial equipment requiring good fluidity at very low temperatures, where it provides long, trouble-free service over a wide range of operating conditions.

Specifications & Approvals

Military Specification
HFA
MIL-H-5606A (obsolete) X


Typical Properties


HFA
Color Red
Gravity, API 29
Specific Gravity, 60F/60F 0.882
Pour Point, C -60 max
Flash Point, COC, C 93 min
Flash Point, PMCC, C -
Acid Number, mg KOH/g 0.03 (0.2 max)
Barium Content, ppm -
Kinematic Viscosity, cSt
@ 205C -
@ 100C 5.1
@ 40C 13.9
@ -40C 460 (500 max)
@ -54C 1950
@130F 10.7 (10.0 min)
Viscosity Index 370
Low Temperature Stability
72 hours at -54C Pass
72 hours at -40C -
Copper Corrosion, 72 hours at 135C 2e max
Oxidation Corrosion Stability 168 hours at 135C Pass
Water Content, ppm 50 (100 max)
4-Ball Wear Scar, mm 1hour, 1200 rpm, 75C, 40 kg 0.8 (1.0 max)
Evaporation Loss, wt %
6 hours at 71C 15 (20 max)
Foam, ASTM D892 Seq I, mL/mL 30/0 (65/0 max)
Nitrile Rubber L Swell, % 168 hours at 70C 19.0 to 30.0
Shear Stability, ASTM D 2603 Option B, % Loss in KV at 40 C 15 max
Bulk Modulus, psi Isothermal Secant at 40C, 4,000 psig 200,000 min




Precautions
MOBIL AERO HFA is manufactured from high quality petroleum base stocks, carefully blended with selected additives. As with all petroleum products, good personal hygiene and careful handling should always be practiced. Avoid prolonged contact to skin, splashing into the eyes, ingestion or vapour inhalation. Please refer to our Imperial Oil Material Safety Data Sheet for further information.

Note: This product controlled under Canadian WHMIS legislation as Flammable Material, Class B3.

The ExxonMobil logotype, Mobil and Aero HF are trademarks of ExxonMobil Corporation, or one of its subsidiaries. © 2003 Exxon Mobil Corporation.

11-2006








Search For:
ROYCO 756 MIL-H-5606G 6 X 1 GALLON CASE
Item# R756
Regular price: $90.00
Sale price: $85.00
ROYCO 756 is a red-dyed, mineral oil based hydraulic fluid developed for the severe duty demands of aerospace and industrial service. ROYCO 756 contains additives which provide excellent low temperature fluidity as well as exceptional antiwear, oxidation - corrosion inhibition, and shear stability. In addition, metal deactivators and foam inhibitors are provided in this high viscosity index fluid to enhance performance in many general purpose hydraulic applications.

USES: ROYCO 756 is designed for use in aircraft, missiles, auto pilots, shock absorbers, cherry pickers, boom trucks, robotics, and auto wreckers requiring all - weather performance. ROYCO 756 is particularly recommended for use in systems where a "super clean" fluid can contribute to improved component life and reliability. ROYCO 756 can be used in unpressurized systems operating at temperature ranges from -54 to 90oC (-65 to 195oF) and in pressurized systems from -54 to 135oC (-65 to 275oF) at pressures up to 3000 p.s.i.

LIMITATIONS: ROYCO 756 should not be used in systems using natural rubber elastomers.

PACKAGING: Hermetically sealed quart and one gallon tins, 5 gallon pails, and 55 gallon drums. Other packages may be available on special request.

SPECIFICATION: ROYCO 756 meets all requirements and is qualified under MILSPEC: Mil-H-5606 which supercedes Mil-O-5606, AN-O-336, AN-VV-O-336, and AAF-3580.

ROYCO 756A (Mil-H-5606A)

PROPERTY / SPECIFICATION / TYPICAL

1) Pour Point, oC / -60 max / -70

2) Flash Point, COC,oC / 93 min / 105

3) Acid Number, meq KOH / 0.2 max / 0.0

4) Precip. Number / 0 / 0

5) Specific Gravity / 0.849 +/-.008 / 0.854

6) Kinematic Viscosity, cSt

@ 130oF / 10.0 min / 10.5

@ -40oF / 600 max / 434

7) Viscosity Index / N/A / 214

ROYCO 756 (Mil-H-5606G) SUPER - CLEAN

1) Pour Point, oC / -60 max / -70

2) Flash Point, PMCC, oC / 82 min / 105

3) Acid Number, meq KOH / 0.2 max / 0.0

4) Specific Gravity, 60/60 / 0.849-0.865 / 0.855

5) Kinematic Viscosity, cSt

@ 100oC / 4.9 min / 6.13

@ 40oC / 13.2 min / 15.68

@ -40oC / 600 max / 434

@ -54oC / 2500 max / 1450

6) Cu Corrosion,160oF/72hrs. / ASTM 2E max /1B

7) Water Content, ppm / 100 max / 55

8) Shell 4-Ball Wear, mm2 / 1.0 max / 0.65

9) Evaporation,160oF/6hrs,% / 20 max / 16.5

10)Gravimetric Filtration / 0.45mu @ 25oC

mg/100 ml / 0.3 max / 0.1

filter time, min. / 15 max / 10

11)Foam Resistance, 75oF

foam volume, ml / 65 max / 25

foam stability / 0 @ 10 min. / 0

12) API Gravity / report / 32

13) Particle Contamination (automatic counter)

size / range, / mu

5-15 / 10,000 max / 1200 16-25 / 1,000 max / 550 26-50 / 150 max / 70 51-100 / 20 max / 5 100+ / 5 max / 0 14) Dielectric Strength, KV / report / 49.6
skymartsales.comAeroshell GreasesAeroshell OilAnderol / RoycoGeneral Aviation LubricantsBP OilsMobil Jet OilMobilgreaseSkydrolProduct SupportReturn Policieshome | about us | privacy policy | send email | site map | view cart
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Old 12-28-2006, 02:16 PM
  #3    
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Join Date: Apr 2004
Posts: 5,650
Default Re: MIL-H-5606A vs. MIL-H-5606G - Hydraulic Oil

I think I will go with A!!!!!!

Thanks
__________________
All things OX66

Sea Fox 210 (sold)
Contender 21 Open (sold)
Bluewater 2150 (sold)
Grady White 247 Advance (sold)
Sea Hunt BX22 (but getting the itch to sell!)
littletunny is offline   Reply With Quote
Old 12-28-2006, 03:23 PM
  #4    
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Join Date: Feb 2005
Location:
Posts: 12,354
Default Re: MIL-H-5606A vs. MIL-H-5606G - Hydraulic Oil

Quote:
davidd - 12/28/2006 2:10 PM

I 'm bored so here you go......

Product Description
Mobil Aero HFA is formulated for aircraft systems where use of hydrocarbon-based hydraulic fluids is required. It is a low viscosity, high VI (viscosity index) fluid with excellent low temperature properties, good anti-wear performance, and good chemical stability. Mobil Aero HFA is composed of mineral base oil stock and contains shear-stable VI improvers.

Features & Benefits
Mobil Aero HFA aviation hydraulic fluid is designed to meet the demanding requirements of commercial and military aircraft applications. This high quality formulation has a long history of excellent performance and provide long, trouble-free service over a wide range of operating conditions. Product features and potential benefits include:


Features
Advantages and Potential Benefits
High Viscosity Index (VI) Allows equipment operation over a wide range of temperatures
Excellent low temperature properties Provides high performance operation in low ambient conditions
Good chemical and oxidation stability Resists the formation of acidic constituents, varnishes, and deposits

Applications
Mobil Aero HFA is a premium quality fluid that meets the requirements of the U.S. Military specification MIL-H-5606A (now obsolete). It has a very high VI and is suitable for use at temperatures down to -54C (-65F). While this quality fluid is no longer used by the U.S. Military, it is still used in some older, small private, and commercial aircraft. It is also used in industrial and commercial equipment requiring good fluidity at very low temperatures, where it provides long, trouble-free service over a wide range of operating conditions.

Specifications & Approvals

Military Specification
HFA
MIL-H-5606A (obsolete) X


Typical Properties


HFA
Color Red
Gravity, API 29
Specific Gravity, 60F/60F 0.882
Pour Point, C -60 max
Flash Point, COC, C 93 min
Flash Point, PMCC, C -
Acid Number, mg KOH/g 0.03 (0.2 max)
Barium Content, ppm -
Kinematic Viscosity, cSt
@ 205C -
@ 100C 5.1
@ 40C 13.9
@ -40C 460 (500 max)
@ -54C 1950
@130F 10.7 (10.0 min)
Viscosity Index 370
Low Temperature Stability
72 hours at -54C Pass
72 hours at -40C -
Copper Corrosion, 72 hours at 135C 2e max
Oxidation Corrosion Stability 168 hours at 135C Pass
Water Content, ppm 50 (100 max)
4-Ball Wear Scar, mm 1hour, 1200 rpm, 75C, 40 kg 0.8 (1.0 max)
Evaporation Loss, wt %
6 hours at 71C 15 (20 max)
Foam, ASTM D892 Seq I, mL/mL 30/0 (65/0 max)
Nitrile Rubber L Swell, % 168 hours at 70C 19.0 to 30.0
Shear Stability, ASTM D 2603 Option B, % Loss in KV at 40 C 15 max
Bulk Modulus, psi Isothermal Secant at 40C, 4,000 psig 200,000 min




Precautions
MOBIL AERO HFA is manufactured from high quality petroleum base stocks, carefully blended with selected additives. As with all petroleum products, good personal hygiene and careful handling should always be practiced. Avoid prolonged contact to skin, splashing into the eyes, ingestion or vapour inhalation. Please refer to our Imperial Oil Material Safety Data Sheet for further information.

Note: This product controlled under Canadian WHMIS legislation as Flammable Material, Class B3.

The ExxonMobil logotype, Mobil and Aero HF are trademarks of ExxonMobil Corporation, or one of its subsidiaries. © 2003 Exxon Mobil Corporation.

11-2006








Search For:
ROYCO 756 MIL-H-5606G 6 X 1 GALLON CASE
Item# R756
Regular price: $90.00
Sale price: $85.00
ROYCO 756 is a red-dyed, mineral oil based hydraulic fluid developed for the severe duty demands of aerospace and industrial service. ROYCO 756 contains additives which provide excellent low temperature fluidity as well as exceptional antiwear, oxidation - corrosion inhibition, and shear stability. In addition, metal deactivators and foam inhibitors are provided in this high viscosity index fluid to enhance performance in many general purpose hydraulic applications.

USES: ROYCO 756 is designed for use in aircraft, missiles, auto pilots, shock absorbers, cherry pickers, boom trucks, robotics, and auto wreckers requiring all - weather performance. ROYCO 756 is particularly recommended for use in systems where a "super clean" fluid can contribute to improved component life and reliability. ROYCO 756 can be used in unpressurized systems operating at temperature ranges from -54 to 90oC (-65 to 195oF) and in pressurized systems from -54 to 135oC (-65 to 275oF) at pressures up to 3000 p.s.i.

LIMITATIONS: ROYCO 756 should not be used in systems using natural rubber elastomers.

PACKAGING: Hermetically sealed quart and one gallon tins, 5 gallon pails, and 55 gallon drums. Other packages may be available on special request.

SPECIFICATION: ROYCO 756 meets all requirements and is qualified under MILSPEC: Mil-H-5606 which supercedes Mil-O-5606, AN-O-336, AN-VV-O-336, and AAF-3580.

ROYCO 756A (Mil-H-5606A)

PROPERTY / SPECIFICATION / TYPICAL

1) Pour Point, oC / -60 max / -70

2) Flash Point, COC,oC / 93 min / 105

3) Acid Number, meq KOH / 0.2 max / 0.0

4) Precip. Number / 0 / 0

5) Specific Gravity / 0.849 +/-.008 / 0.854

6) Kinematic Viscosity, cSt

@ 130oF / 10.0 min / 10.5

@ -40oF / 600 max / 434

7) Viscosity Index / N/A / 214

ROYCO 756 (Mil-H-5606G) SUPER - CLEAN

1) Pour Point, oC / -60 max / -70

2) Flash Point, PMCC, oC / 82 min / 105

3) Acid Number, meq KOH / 0.2 max / 0.0

4) Specific Gravity, 60/60 / 0.849-0.865 / 0.855

5) Kinematic Viscosity, cSt

@ 100oC / 4.9 min / 6.13

@ 40oC / 13.2 min / 15.68

@ -40oC / 600 max / 434

@ -54oC / 2500 max / 1450

6) Cu Corrosion,160oF/72hrs. / ASTM 2E max /1B

7) Water Content, ppm / 100 max / 55

8) Shell 4-Ball Wear, mm2 / 1.0 max / 0.65

9) Evaporation,160oF/6hrs,% / 20 max / 16.5

10)Gravimetric Filtration / 0.45mu @ 25oC

mg/100 ml / 0.3 max / 0.1

filter time, min. / 15 max / 10

11)Foam Resistance, 75oF

foam volume, ml / 65 max / 25

foam stability / 0 @ 10 min. / 0

12) API Gravity / report / 32

13) Particle Contamination (automatic counter)

size / range, / mu

5-15 / 10,000 max / 1200 16-25 / 1,000 max / 550 26-50 / 150 max / 70 51-100 / 20 max / 5 100+ / 5 max / 0 14) Dielectric Strength, KV / report / 49.6
skymartsales.comAeroshell GreasesAeroshell OilAnderol / RoycoGeneral Aviation LubricantsBP OilsMobil Jet OilMobilgreaseSkydrolProduct SupportReturn Policieshome | about us | privacy policy | send email | site map | view cart
That is a lot of words but I don't see the mans' question as being answered. What is the difference between MIL-H-5606 suffix A and suffix G? If the answer is buried in the text, how is that helpful?
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Old 12-28-2006, 07:25 PM
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Default RE: MIL-H-5606A vs. MIL-H-5606G - Hydraulic Oil

A through G have been obsoleted in most applications by H. Each is just an improvement over the previous. SeaStar calls for A in some ploaces and G or better in others.

Harry
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Old 12-28-2006, 10:28 PM
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Posts: 12,354
Default Re: MIL-H-5606A vs. MIL-H-5606G - Hydraulic Oil

To add to what Harry has said, I have found Seastar literature that says use 5606, 5606A and 5606C. Haven't found the reference to 5606G yet but, I remember Glenn E citing this specification as does Harry.

It appears to me that Seastar just wants you use any type of 5606 and they are not hung up on the revision suffix. Usually when you order the stuff the supplier will give you the latest and greatest.
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-Maintenance is not a dirty word.
-The quality of a product may be directly related to the quality of maintenance given to that product.
-A coincidence that better maintenance = less manufacturing defects? I think not.
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Old 04-05-2012, 09:34 AM
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Default

I know this is an old post but I just talked to Sea Star tech support and they said use 5606 C or D. I just bought four quarts of Royco 756 and I'm going to use it. If it doesn't work, I'll piss in the fill tube to keep it topped off. Tired of screwing with it and if this doesn't hold up, I'll try another brand of steering. Just venting.
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