The Gasket, cataloged under National Stock Number 5330-01-348-6818, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-348-6818 |
| Primary Part Number | 6511475 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.250 INCHES NOMINAL IN |
| Hardness Rating | 40.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | ZZ-R-765M CL 1A,GR 40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL A |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Bolt Hole Centerline to Nearest Edge Distance | 0.250 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.250 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Hole Diameter | 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM 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 |
|---|---|
| 6511475 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5330-01-348-6818 is a Gasket, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-348-6818 has 1 manufacturer part number on file: 6511475 (Naval Sea Systems Command).
Key specifications for 6511475: Cross-Sectional Thickness: 0.250 INCHES NOMINAL IN; Hardness Rating: 40.0 SHORE DUROMETER A NOMINAL OVERALL; Style Designator: NON-CIRCULAR; Material Document and Classification: ZZ-R-765M CL 1A,GR 40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL A. 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.