The Gasket, cataloged under National Stock Number 5330-01-485-9302, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-485-9302 |
| Primary Part Number | 2571138 |
| 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 |
| Style Designator | CIRCULAR |
| Material Document and Classification | AMS-C-6183 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 3.250 INCHES NOMINAL IN |
| Aperture Diameter | 2.250 INCHES NOMINAL IN |
| Specification/standard Data | MIL-C-6183B,CL 1,MEDIUM/CANCELLED/ MANUFACTURERS SOURCE CONTROL |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 2.750 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC AND CORK OVERALL |
| Hole Diameter | 0.250 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 |
|---|---|
| 2571138 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2571138 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5330-01-485-9302 is a Gasket, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-485-9302 has 1 manufacturer part number on file: 2571138 (Naval Sea Systems Command).
Key specifications for 2571138: Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: AMS-C-6183 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 11 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.