Military and Aerospace Specifications
Parco is committed to being the leader in military and aerospace O-rings. We offer materials to meet 31 military and aerospace specifications, supply Qualified Products List (QPL) rubber seals, and maintain AS9100 and AC7115 certifications of our quality system.
Below is a list of Parco’s compounds for current military and aerospace specifications. If your specification does not match one of those listed below, it may be outdated. Contact us for more information or to request samples.
| Part Number | Drawing | Specification | Parco Compound |
|---|---|---|---|
| N/A | N/A | AMS 3209 | 3110-70 |
| N/A | N/A | AMS 3325 | 1902-60 |
| N/A | N/A | AMS 3384 | 9066-75 |
| AS3581 | AS3581 | AMS 7259* | 9009-90 |
| AS3569 | AS3569 | AMS 7270* | 4466-70 |
| AS3570 | AS3570 | AMS 7274* | 0259-70 |
| AS3208 | AS3208 | AMS 7276* | 9266-75 & 9009-75 |
| AS3209 | AS3209 | AMS 7276* | 9266-75 & 9009-75 |
| MS29512 | AS29512 | AMS P 5315* | 4457-65 |
| MS29513 | AS29513 | AMS P 5315* | 4457-65 |
| MS28778 | AS28778 | AMS P 5510* | 4081-90 |
| MS29561 | AS29561 | AMS R 7362 Ty I | 4043-70 |
| M25988/3 | MIL-R-25988/3 | MIL DTL 25988 Ty I Cl 1 Gr 60 | 1902-60 |
| M25988/1 | MIL-R-25988/1 | MIL DTL 25988 Ty I Cl 1 Gr 70 | 1933-70 & 1903-70 |
| M25988/2 | MIL-R-25988/2 | MIL DTL 25988 Ty I Cl 3 Gr 75 | 1904-75 |
| MS25988/4 | MIL-R-25988/4 | MIL DTL 25988 Ty I Cl 1 Gr 80 | 1905-80 |
| N/A | N/A | MIL G 21569 Cl 1 | 4456-70 |
| MS28775 | AS28775 | MIL P 25732* | 4067-70 |
| N/A | N/A | MIL P 82745 | 4456-70 |
| N/A | N/A | MIL PRF 1149 Ty I Cl 5 | 2159-50 |
| N/A | N/A | MIL PRF 1149 Ty II Cl 5 | 2159-60 |
| N/A | N/A | MIL PRF 6855 Cl 2A Ty A Gr 60 | 0376-60 |
| N/A | N/A | MIL PRF 6855 Cl 1 Ty A Gr 40 | 2159-40 |
| N/A | N/A | MIL PRF 6855 Cl 1 Ty A Gr 50 | 2159-50 |
| N/A | N/A | MIL PRF 6855 Cl 1 Ty A Gr 60 | 2159-60 |
* Specification requires the manufacturer to be on the Qualified Products List (QPL).