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