| Item Name | O Ring |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5331 O Ring |
| National Item Identification Number (NIIN) | 01-129-2011 (011292011) |
| NCB Code | USA (01) |
| Manufacturer | Hamilton Sundstrand Corporation, Military Specifications, Skf Bearing Industries Co, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 99-4685-155 | hamilton sundstrand corporation | o ring | RFQ |
| M25988-4-155 | hamilton sundstrand corporation | o ring | RFQ |
| MIL-R-25988/4 | military specifications | o ring | RFQ |
| 99-4685-155 | skf bearing industries co | o ring | RFQ |
| M25988/4-155 | military specifications | o ring | RFQ |
| MIL-DTL-25988/4 | military specifications | o ring | RFQ |
| M25988-4-155 | national aerospace standards com | o ring | RFQ |
| MIL-R-25988-4 | national aerospace standards com | o ring | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHE | OUTSIDE DIAMETER | 4.193 INCHES NOMINAL |
| ADVN | CROSS-SECTIONAL HEIGHT | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM |
| ADYT | CENTER HOLE DIAMETER | 3.959 INCHES MINIMUM AND 4.015 INCHES MAXIMUM |
| ANYN | ELONGATION PERCENTAGE | 125 MAXIMUM |
| CQFM | HARDNESS RATING | 80.0 SHORE DUROMETER A NOMINAL |
| MATT | MATERIAL | RUBBER FLUOROSILICONE CLASS FQ |
| Relevant Components for NSN - 5331-01-129-2011, 5331011292011 | ||||
| 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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