The Gasket, cataloged under National Stock Number 5330-01-020-4686, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-020-4686 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.375 INCHES NOMINAL IN |
| Hardness Rating | 25.0 SHORE DUROMETER A NOMINAL OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 7.188 INCHES NOMINAL IN |
| Gage Ring Outside Diameter | 3.000 INCHES NOMINAL IN |
| Aperture Diameter | 0.312 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| 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 |
|---|---|
| WF2-1030-1-ETHYLENE PROPYLENE | 3/2 Design control — primary reference U.S. Government activity |
| 42-2114 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-020-4686 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4210-01-605-5218. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-020-4686: Cross-Sectional Thickness: 0.375 INCHES NOMINAL IN; Hardness Rating: 25.0 SHORE DUROMETER A NOMINAL OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 7.188 INCHES NOMINAL IN. 7 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.