Military Specification
References

Compounds are approved to nearly every military, aerospace, ASTM, SAE, automotive, petroleum industry and commerical specification. The most widely used specifications are the AN, M, MS and NAS specifications. This reference table is arranged by drawing number.

    Sealing   Recommended
Temp. Range
°F
   
Drawing No. Specifications Static Dynamic Fluid Low High Elastomer Comments
AS3569
AMS7270 x x Aircraft fuels -40 +302 Nitrile Was AN123951 thru AN124050, 70 duro.
AS3570
AMS7274 x x Oil resistant -40 +302 Nitrile Was AN123856 thru AN123934, 70 duro.
M25988/1 MIL-R-25988
Class 1, Grade 70
x x Aircraft fuels and
lubricants
-70 +392 Fluorosilicone Blue color as required by MIL spec.Not recommended for high pressure dynamic applications.
M25988/2 MIL-R-25988
Class 3, Grade 75
x x Aircraft fuels and
lubricants
-70 +437 Fluorosilicone Blue color as required by MIL spec. Higher modulus and higher temperature resistance than M25988/1, 75 durometer.
M25988/3 MIL-R-25988
Class 1, Grade 60
x x Aircraft fuels and
lubricants
-70 +392 Fluorosilicone Blue color as required by MIL spec. Lower durometer (60) than M25988/1. For low pressure applications.
M25988/4 MIL-R-25988
Class 1, Grade 80
x x Aircraft fuels and
lubricants
-70 +392 Fluorosilicone Blue color as required by MIL spec. Higher durometer (80) than M25988/1.
M83248/1 MIL-R-83248,
Type 1,Class 1
x x Aircraft fuels and
lubricants
-20 +400 Fluorocarbon High temp., low compression set, 75 durometer.
M83248/2 MIL-R-83248,
Type 1,Class 2
x x Aircraft fuels and
lubricants
-20 +400 Fluorocarbon High temp., low compression set, 90 durometer.
M83461/1 AMS-P-83461 x x MIL-H-5606 -65 +275 Nitrile Low temp., better dynamic performance and longer service life at 257°F than MS28775, 75 duro.
M83485/1 MIL-R-83485 x x Hydraulic fluids - + Fluorocarbon Low temp., 75 duro.
AS3208 AMS7276 x   Aircraft fuels and lubricants -5 +500 Fluorocarbon Very low compression set. This drawing covers tube fitting sizes only, 75 duro.
AS3209 x x Aircraft fuels and lubricants -5 +500 Fluorocarbon Very low compressiont set. This drawing covers all other sizes, Type A, 75 duro.
AS3551 AMS 7272 x x Synthetic lubricants - + Nitrile 75 duro. Was MS9241 or MS9355.
AS3578 AMS 7271 x   Aircraft fuels -58 +257 Nitrile This drawing covers tube fitting sizes only, 65 duro. Was MS9020.
AS3578 x x Aircraft fuels -58 +257 Nitrile 65 duro. Was MS9021.
AS3581 AMS7259 x x Aircraft fuels and lubricants
- + Fluorocarbon 90 duro.
AS3582 AMS 3304 x x Dry heat and petroleum
based lube oils
-85 +400 Silicone Exc. temp. range, not recommended for high pressure dynamic applications, 70 duro. Was MS9068.
MS9385 AMS 7267 x   Dry heat and petroleum
based lube oils
-85 +500 Silicone This drawing covers tube fitting sizes only, 70 duro.
MS9386 x x -85 +500 Silicone This drawing covers all other sizes, 70 duro.
MS9387 AMS 7278 x   Aircraft fuels and
lubricants
-20 +400 Fluorocarbon Cancelled. Use M83248/1, tube fitting sizes, 75 duro.
MS9388 AMS 7278 x   Aircraft fuels and
lubricants
-20 +400 Fluorocarbon Cancelled. Use M83248/1, for all other sizes, 75 duro.
MS28775 AMS-P-25732 x x MIL-H-5606 -65 +275 Nitrile Low temp., 68 min. duro. Inactive for new designs. See M83461/1.
MS28778 AMS-P-5510 x x Hyd. fluids, MIL-H-5606 -65 +160 Nitrile Low temp., 90 duro. This drawing covers tube fitting sizes only.
MS28900 AMS 3209 x   Ozone -40 +212 Neoprene For weather resistant seals, 70 duro. (Non-standard sizes)
MS29512 AMS-P-5315 x   Aircraft fuels -65 +158 Nitrile This drawing cover tube fitting sizes only, 65 duro.
MS29513 x x Aircraft fuels -65 +158 Nitrile This drawing covers all other sizes, 65 duro.
MS29561 MIL-R-7362, Type 1 x x Synthetic diester jet engine
lubricants (MIL-L-7808)
-65 +257 Nitrile This drawing covers all sizes except the tube fitting sizes.
NAS617 This drawing covers tube fitting sizes only.
NAS1611 NAS 1613,
REV 2
x x Phosphate ester hydraulic
fluid (Skydrol), CL2 only
-65 +250 Ethylene
Propylene
Replaced by NAS1613, REV. 4, but REV. 2 material has better elongation. Inactive for new design.
NAS1612 NAS 1613,
REV 2
x   -65 +250 Ethylene
Propylene
This drawing covers tube fitting sizes only. Inactive for new design.
NAS1611 NAS1613, REV 4
Class 1 & 2
x x Phosphate ester hydraulic
fluid (Skydrol), CL1 & 2
-65 +250 Ethylene
Propylene
This drawing covers all sizes except tube fitting sizes.
NAS1612 NAS 1613, REV 4
Class 1 & 2
x   -65 +250 Ethylene
Propylene
This drawing covers tube fitting sizes only.
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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