The Gasket, cataloged under National Stock Number 5330-01-474-7972, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-474-7972 |
| Primary Part Number | 124-4365221PC4 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Temp Rating | -20.0 FAHRENHEIT AND 130.0 FAHRENHEIT DEGF |
| Cross-Sectional Thickness | 0.500 INCHES NOMINAL IN |
| Hardness Rating | 45.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-PRF-900F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Elongation Percentage | 300 MAXIMUM |
| Material | RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL |
| 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 |
|---|---|
| 124-4365221PC4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 124-4365221 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5330-01-474-7972 is a Gasket, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-474-7972 has 1 manufacturer part number on file: 124-4365221PC4 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-474-8184. Verify interchangeability with system specifications before substitution.
Key specifications for 124-4365221PC4: Temp Rating: -20.0 FAHRENHEIT AND 130.0 FAHRENHEIT DEGF; Cross-Sectional Thickness: 0.500 INCHES NOMINAL IN; Hardness Rating: 45.0 SHORE DUROMETER A NOMINAL OVERALL; Style Designator: CIRCULAR. 8 specifications are 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.