| Item Name | O Ring |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5331 O Ring |
| National Item Identification Number (NIIN) | 00-421-9429 (004219429) |
| NCB Code | USA (00) |
| Manufacturer | Triumph Controls Llc, Honeywell International Inc, Military Specifications, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| S9412-237 | triumph controls llc | o ring | RFQ |
| M25988-2-237 | honeywell international inc | o ring | RFQ |
| M25988/2-237 | military specifications | o ring | RFQ |
| M25988-2-237 | national aerospace standards com | o ring | RFQ |
| S9412-237 | honeywell international inc | o ring | RFQ |
| MIL-R-25988B | military specifications | o ring | RFQ |
| MIL-DTL-25988/2 | military specifications | o ring | RFQ |
| MIL-R-25988B | national aerospace standards com | o ring | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHE | OUTSIDE DIAMETER | 3.637 INCHES NOMINAL |
| ADVN | CROSS-SECTIONAL HEIGHT | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM |
| ADYT | CENTER HOLE DIAMETER | 3.335 INCHES MINIMUM AND 3.383 INCHES MAXIMUM |
| ANYN | ELONGATION PERCENTAGE | 125 MAXIMUM |
| CQFM | HARDNESS RATING | 75.0 SHORE DUROMETER A NOMINAL |
| MATT | MATERIAL | RUBBER FLUOROSILICONE CLASS FQ |
| Relevant Components for NSN - 5331-00-421-9429, 5331004219429 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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