AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | O Ring |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5331 O Ring |
| National Item Identification Number (NIIN) | 01-066-1921 (010661921) |
| NCB Code | USA (01) |
| Manufacturer | Military Specifications, National Aerospace Standards Com, Inspektorat Wsparcia Sil Zbrojnych, Nimikkeistokeskus Ncb Finland, Eriks Bv |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| M25988/1-903 | military specifications | o ring | RFQ |
| MIL-R-25988-1 | national aerospace standards com | o ring | RFQ |
| MIL-R-25988/1 | military specifications | o ring | RFQ |
| 5331PL0658326 | inspektorat wsparcia sil zbrojnych | o ring | RFQ |
| 10163370 | nimikkeistokeskus ncb finland | o ring | RFQ |
| MIL-DTL-25988/1 | military specifications | o ring | RFQ |
| M25988-1-903 | national aerospace standards com | o ring | RFQ |
| M25988-1-903ES | eriks bv | o ring | RFQ |
| M25988-1-903 | eriks bv | o ring | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHE | OUTSIDE DIAMETER | 0.429 INCHES NOMINAL |
| ADVN | CROSS-SECTIONAL HEIGHT | 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| ADYT | CENTER HOLE DIAMETER | 0.294 INCHES MINIMUM AND 0.308 INCHES MAXIMUM |
| ANYN | ELONGATION PERCENTAGE | 125 MAXIMUM |
| CQFM | HARDNESS RATING | 70.0 SHORE DUROMETER A NOMINAL |
| MATT | MATERIAL | RUBBER FLUOROSILICONE CLASS FQ |
| Relevant Components for NSN - 5331-01-066-1921, 5331010661921 | ||||
| 5365-01-101-3819 (5365011013819) | 5305-01-006-9246 (5305010069246) | 5310-00-639-2818 (5310006392818) | 5310-01-332-9051 (5310013329051) | |
| 5330-01-399-2381 (5330013992381) | 5340-01-496-5144 (5340014965144) | 5342-00-326-6390 (5342003266390) | 5305-01-361-1154 (5305013611154) | |
| 5305-01-516-4729 (5305015164729) | 5330-15-007-8953 (5330150078953) | 5340-01-078-1350 (5340010781350) | 5310-01-471-5429 (5310014715429) | |
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