The Seal Ring,metal, cataloged under National Stock Number 5330-01-171-9505, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-171-9505 |
| Primary Part Number | PL912040-1 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Ring Style | CONTRACTING CONCENTRIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 912040-1 | Raytheon Company Dba Raytheon Co (USA) |
| PL912040-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| PL912040-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| 912040-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5330-01-171-9505 is a Seal Ring,metal, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-171-9505 has 2 manufacturer part numbers on file: 912040-1 (Raytheon Company Dba Raytheon Co), PL912040-1 (Raytheon Company Dba Raytheon Co).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-210-0906. Verify interchangeability with system specifications before substitution.
Key specifications for PL912040-1: Ring Style: CONTRACTING CONCENTRIC; End Item Identification: USED WITH INSERT FSCM 96906 P/N MS51830-102L. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.