The Gasket, cataloged under National Stock Number 5330-00-252-3907, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-252-3907 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 7.000 INCHES NOMINAL IN |
| Aperture Diameter | 5.250 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 6.125 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| Hole Diameter | 0.406 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 |
| Reference | Meaning |
|---|---|
| D37978ALT1PC51 | 5/9 Secondary reference U.S. Government activity |
| B9850PC51 | 3/2 Design control — primary reference U.S. Government activity |
| 285-4501-68052PC51 | 3/2 Design control — primary reference U.S. Government activity |
| D37978ALT1PC51 | 3/2 Design control — primary reference U.S. Government activity |
| B9850E | 5/9 Secondary reference U.S. Government activity |
| B9850E | 3/2 Design control — primary reference U.S. Government activity |
| B9850PC51 | 5/9 Secondary reference U.S. Government activity |
| D37978PC51 | 5/9 Secondary reference U.S. Government activity |
| D37978PC51 | 3/2 Design control — primary reference U.S. Government activity |
| 285-45-152PC51 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-252-3907 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-252-3907: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL OVERALL; Style Designator: CIRCULAR; Material Document and Classification: MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.