| Item Name | O Ring |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5331 O Ring |
| National Item Identification Number (NIIN) | 00-281-6931 (002816931) |
| NCB Code | USA (00) |
| Manufacturer | National Aerospace Standards Com, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| M25988-1-049 | national aerospace standards com | o ring | 80205 | RFQ |
| M25988/1-049 | military specifications | o ring | 81349 | RFQ |
| MIL-DTL-25988/1 | military specifications | o ring | 81349 | RFQ |
| MIL-R-25988-1 | national aerospace standards com | o ring | 80205 | RFQ |
| MIL-R-25988/1 | military specifications | o ring | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHE | OUTSIDE DIAMETER | 5.129 INCHES NOMINAL |
| ADVN | CROSS-SECTIONAL HEIGHT | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM |
| ADYT | CENTER HOLE DIAMETER | 4.952 INCHES MINIMUM AND 5.026 INCHES MAXIMUM |
| ANYN | ELONGATION PERCENTAGE | 125 MAXIMUM |
| CQFM | HARDNESS RATING | 70.0 SHORE DUROMETER A NOMINAL |
| MATT | MATERIAL | RUBBER FLUOROSILICONE CLASS FQ |
| Components Related to NSN - 5331-00-281-6931, 5331002816931 | ||||
| 5306-00-660-3288 (5306006603288) | 5340-01-138-8180 (5340011388180) | 5330-01-323-8411 (5330013238411) | 5360-01-204-0090 (5360012040090) | |
| 5307-00-612-4110 (5307006124110) | 5340-01-482-4141 (5340014824141) | 5310-01-062-0524 (5310010620524) | 5340-01-597-2720 (5340015972720) | |
| 5325-99-120-1207 (5325991201207) | 5315-01-696-7898 (5315016967898) | 5340-01-137-3603 (5340011373603) | 5355-01-379-0440 (5355013790440) | |
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