The Gasket, cataloged under National Stock Number 5330-00-551-4601, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-551-4601 |
| Primary Part Number | 1163992 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | CS-301 FSCM 03938 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 6.500 INCHES NOMINAL IN |
| Aperture Diameter | 4.875 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 5.750 INCHES NOMINAL IN |
| Material | CORK OVERALL |
| Hole Diameter | 0.438 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 |
|---|---|
| 1163992 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| PL31646PC68 | 5/9 Secondary reference Lake Shore Systems, Inc. |
NSN 5330-00-551-4601 is a Gasket, manufactured by Lake Shore Systems, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-551-4601 has 1 manufacturer part number on file: 1163992 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-329-8617. Verify interchangeability with system specifications before substitution.
Key specifications for 1163992: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: CS-301 FSCM 03938 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 10 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.