The Gasket, cataloged under National Stock Number 5330-00-678-4501, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-678-4501 |
| Primary Part Number | 3696990 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.640 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | METAL AND NONMETALLIC MATERIALS |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Aperture Diameter | 2.031 INCHES NOMINAL IN |
| Material | ASBESTOS AND STEEL CORROSION RESISTING 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 |
|---|---|
| 3696990 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 3696990 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 164191 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 3696990 | 5/9 Secondary reference General Motors Corp |
NSN 5330-00-678-4501 is a Gasket, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-678-4501 has 1 manufacturer part number on file: 3696990 (General Motors Llc Dba General Motors Llc).
1 possible match (shared part number, not a government interchangeability claim): 7045-01-454-2579. Verify interchangeability with system specifications before substitution.
Key specifications for 3696990: Cross-Sectional Thickness: 0.640 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: METAL AND NONMETALLIC MATERIALS; Outside Diameter: 2.500 INCHES NOMINAL IN. 6 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.