The O-Ring, cataloged under National Stock Number 5331-00-904-4631, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-904-4631 |
| Primary Part Number | 14909-9 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.097 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.406 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 14909-9 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| 14909-9 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 5331-00-904-4631 is a O-Ring, manufactured by Mission Systems Orchard Park Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-904-4631 has 1 manufacturer part number on file: 14909-9 (Mission Systems Orchard Park Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-117-8288, 4720-01-117-9542. Verify interchangeability with system specifications before substitution.
Key specifications for 14909-9: Cross-Sectional Height: 0.097 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN; Center Hole Diameter: 0.406 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 3 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.
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.