The Gasket, cataloged under National Stock Number 5330-01-383-0474, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5330-01-383-0474 |
| Primary Part Number | 845-6556596 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.031 INCHES NOMINAL IN |
| Material Document and Classification | ANCHOR PACKING CO. 443A MFR REF SINGLE MATERIAL RESPONSE OVERALL A |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Diameter | 3.380 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 3.950 INCHES NOMINAL IN |
| Material | FIBER NONASBESTOS OVERALL |
| Hole Diameter | 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| 845-6800704-148 | Naval Sea Systems Command (USA) |
| 845-6556596 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5330-01-383-0474 is a Gasket, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-383-0474 has 2 manufacturer part numbers on file: 845-6800704-148 (Naval Sea Systems Command), 845-6556596 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-484-5997. Verify interchangeability with system specifications before substitution.
Key specifications for 845-6556596: Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Material Document and Classification: ANCHOR PACKING CO. 443A MFR REF SINGLE MATERIAL RESPONSE OVERALL A; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Aperture Diameter: 3.380 INCHES NOMINAL IN. 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.