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Military – Aerospace – SAE Specification O-Ring Materials

We stock many popular sizes of Mil-Specs Parts from QPL Manufacturers
Packaging per Mil-P-4861 upon request

Compounds are approved to nearly every military, aerospace, ASTM, SAE, automotive, petroleum industry and commercial specification. The most widely used specifications are the AMS, AS, AN, M, MS, MIL, and NAS specifications. This reference table lists some of the specs available.

Drawing No. Specifications Common Use Recommended
Temp. Range°F
Basic Material  Compound Comments
Low High
MS28775 MIL-P-25732
AMS-P-25732
MIL-H-5606 -65 +275 NBR M1000 MIL-H-5606 is the petroleum base hydraulic fluid used in military aircraft (inactive for new designs. see M 83461/1A)
M83461/1A MIL-P-83461 MIL-H-5606 -65 +275 NBR M1001 Better dynamic performance and longer service life at 257°F than 4067-70.
AS3578 AMS 7271 Aircraft fuels -58 +257 NBR M1005 Tube fitting sizes only.  Not recommended for high pressure dynamic applications.
MS29512 MIL-P-5315 Aircraft fuels -65 +158 NBR M1002 Tube fitting sizes only.
MS29513 MIL-P-5315 Aircraft fuels -65 +158 NBR M1002 Sizes except the tube fitting sizes.
MS28778 AMS-P-5510
MIL-P-5510
NBR M1004
AS3569 NBR M1007
MS29561 NBR M1008
AS3570 NBR M1009
AN 123951
thru AN 124050
AMS 7270 Aircraft fuels -40 +302 NBR For use in aircraft fuels, both piston (gasoline) and jet (jet fuels) engines.
NAS617 MIL-R-7362,
Type 1
Synthetic diester jet engine
lubricants (MIL-L-7808)
-65 +257 NBR Tube fitting sizes only.
AS3208
AS3209
M83248/1
MS9388
MS9387
AS3084
AS3085
AMS 7676
MIL-R-83248 Class 1

AMS 7278

AMS-R-83248 Class 1Aircraft fuels and
lubricants-13+400FKMV1001Excellent resistance to compression set.AS3581
M83248/2

MS9970AMS 7279
MIL-R-83248
Class 2
AMS-R-83248
Class 2Aircraft fuels and
lubricants-13+400FKMV1004High durometerM83485/1AMS-R-83485–40+400FKM GLT-Low Temp GLTMS9387AMS 7278Aircraft fuels and
lubricants-20+400FKMV1001Tube fitting sizes only.-AMS 7257-+5+572FFKMZ7257High temp resistant and extreme chemical resistanceAMS-R-25988/1
M25988/1AMS-R-25988
Class 1, Grade 70
MIL-R-25988
Class 1, Grade 70Aircraft fuels and
lubricants-76+392FluorosiliconeF1001Blue color as required by MIL spec.  Not recommended for high pressure dynamic applications.AMS-R-25988/2
M25988/2AMS-R-25988
Class 3, Grade 75
MIL-R-25988
Class 3, Grade 75Aircraft fuels and
lubricants-76+392FluorosiliconeF1002Blue color as required by MIL spec. Higher modulus and higher temperature resistance than 1903-70.AMS-R-25988/3
M25988/3AMS-R-25988
Class 1, Grade 60
MIL-R-25988
Class 1, Grade 60Aircraft fuels and
lubricants-76+392FluorosiliconeF1003Blue color as required by MIL spec. Lower durometer than 1903-70. For low pressure applications.AMS-R-25988/4
M25988/4AMS-R-25988
Class 1, Grade 80
MIL-R-25988
Class 1, Grade 80Aircraft fuels and
lubricants-76+392FluorosiliconeF1004Blue color as required by MIL spec. Higher durometer than 1903-70.AS9966
AS9967AMS 7273–76+392Fluorosilicone–AS3582
MS9068AMS 3304Dry heat and petroleum
based lube oils-85+400SiliconeS1000Not recommended for high pressure dynamic applications.MS9385AMS 7267Dry heat and petroleum
based lube oils-85+500Silicone-Tube fitting sizes only.MS9386-85+500Silicone-Sizes except the tube fitting sizes.MS28900AMS 3209Ozone-40+212NeopreneN1000For weather resistant seals. (Non-standard sizes)NAS1611NAS 1613,
REV 2 or 4 or 5Phosphate ester hydraulic
fluid (Skydrol)-65+250EPDMRev SpecificSizes except tube fitting sizes. Inactive for new design.NAS1612NAS 1613,
REV 2 or 4 or 5-65+250EPDMRev SpecificTube fitting sizes only. Inactive for new design.ABBREVIATIONS USED ABOVE: AMS–Aerospace Material Specification, AN–Army/navy; ASTM –American Society for Testing and Materials; M–Military; MS–Military Standard; NAS–National Aerospace Standard; SAE–Society of Automotive Engineers

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