The Gasket, cataloged under National Stock Number 5330-00-291-1978, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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 | 5330-00-291-1978 |
| Primary Part Number | 8684531 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Hardness Rating | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Style Designator | OVAL |
| Bearing Surface Width | 0.375 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 4.875 INCHES NOMINAL IN |
| Aperture Length | 6.875 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC 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 |
|---|---|
| 8684531 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5330-00-291-1978 is a Gasket, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-291-1978 has 1 manufacturer part number on file: 8684531 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8684531: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL; Style Designator: OVAL; Bearing Surface Width: 0.375 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.