The Gasket, cataloged under National Stock Number 5330-01-323-7971, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-323-7971 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Inside Corner Radius | 0.156 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | QQ-N-281,CLASS A FED SPEC 1ST MATERIAL RESPONSE AND ZZ-R-765,CLASS 3B,GRADE 30 FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281,CLASS A FED SPEC 2ND MATERIAL RESPONSE AND ZZ-R-765,CLASS 3B FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | METAL AND SYNTHETIC RUBBER |
| Aperture Width | 8.469 INCHES NOMINAL IN |
| Aperture Length | 14.406 INCHES NOMINAL IN |
| Bolt Hole Quantity | 10 |
| Center to Center Distance Between Bolt Holes Along Length | 3.906 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 4.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 2.750 INCHES NOMINAL IN |
| Outside Corner Radius | 0.812 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 AND RUBBER SILICONE CLASS Q OR NICKEL ALLOY K-500 AND RUBBER SILICONE CLASS Q OVERALL |
| Hole Diameter | 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 3.703 INCHES NOMINAL 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 |
|---|---|
| 522001-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-323-7971 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 7025-01-551-7547. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-323-7971: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Inside Corner Radius: 0.156 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Material Document and Classification: QQ-N-281,CLASS A FED SPEC 1ST MATERIAL RESPONSE AND ZZ-R-765,CLASS 3B,GRADE 30 FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281,CLASS A FED SPEC 2ND MATERIAL RESPONSE AND ZZ-R-765,CLASS 3B FED SPEC 2ND MATERIAL RESPONSE OVERALL. 15 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.