The O-Ring, cataloged under National Stock Number 5331-01-497-8487, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rolls Royce Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-497-8487 |
| Primary Part Number | P998150 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rolls Royce Corp |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
NSN 5331-01-497-8487 is a O-Ring, manufactured by Rolls Royce Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-497-8487 has 2 manufacturer part numbers on file: P998150 (Rolls Royce Corp), P998150 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-599-7035. Verify interchangeability with system specifications before substitution.
Key specifications for P998150: Criticality Code Justification: AGAV; Special Features: CONTRACTOR SUPPORTED ITEM; Part Name Assigned by Controlling Agency: O-RING SEAL,AIRCRAF; End Item Identification: KC-130J HERCULES AIRCRAFT. 1 specification is 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.