The O-Ring, cataloged under National Stock Number 5331-01-407-2799, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Sihi (france) SAS. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-407-2799 |
| Primary Part Number | F10498 4201 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Flowserve Sihi (france) SAS |
| Status | CANCELLED |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Criticality Code Justification | FEAT |
| Specification/standard Data | 80205-NAS1601 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Center Hole Diameter | 0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| F10498 4201 | Flowserve Sihi (france) SAS (FRA) |
| NAS1601-214CP | Naval Inventory Control Point Mechanicsburg (USA) |
| RAR3022 | Naval Group Site De Lorient (FRA) |
| Reference | Meaning |
|---|---|
| AN6227B/214 | 5/9 Secondary reference Le Joint Francais |
| 58280-TAB ITEM 19CP | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
| 5331PL2080764 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| NAS1611-214CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| NAS1601-214CP | 3/1 Design control — primary reference U.S. Government activity |
| NAS1601-214 | 5/9 Secondary reference U.S. Government activity |
| NAS1611-214 | 5/9 Secondary reference U.S. Government activity |
| NAS1601 | 3/1 Design control — primary reference U.S. Government activity |
| 58280-TAB ITEM 19 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5331-01-407-2799 is a O-Ring, manufactured by Flowserve Sihi (france) SAS, classified under FSC 5331, O-ring. Status: cancelled.
NSN 5331-01-407-2799 has 3 manufacturer part numbers on file: F10498 4201 (Flowserve Sihi (france) SAS), NAS1601-214CP (Naval Inventory Control Point Mechanicsburg), RAR3022 (Naval Group Site De Lorient).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-577-9220. Verify interchangeability with system specifications before substitution.
Key specifications for F10498 4201: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Criticality Code Justification: FEAT; Specification/standard Data: 80205-NAS1601 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5331-01-407-2799 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.