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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