The Gasket, cataloged under National Stock Number 5330-01-374-0643, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-374-0643 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Outside Edge to Inside Edge Smallest Distance Along Width | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-R-6855/1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 2.530 INCHES MINIMUM AND 2.590 INCHES MAXIMUM IN |
| Aperture Length | 4.280 INCHES MINIMUM AND 4.340 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Outside Edge to Inside Edge Smallest Distance Along Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Center to Center Distance Between Bolt Holes Along Length | 4.302 INCHES MINIMUM AND 4.322 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 3.054 INCHES MINIMUM AND 3.074 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.489 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN |
| Material | RUBBER NEOPRENE OVERALL |
| Hole Diameter | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.238 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 9155465-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-374-0643 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-374-0643: Cross-Sectional Thickness: 0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Outside Edge to Inside Edge Smallest Distance Along Width: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Hardness Rating: 30.0 SHORE DUROMETER A NOMINAL OVERALL; Style Designator: NON-CIRCULAR. 16 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.