The Gasket, cataloged under National Stock Number 5330-01-424-9890, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-424-9890 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Hardness Rating | 60.0 SHORE DUROMETER A MINIMUM OVERALL |
| Style Designator | CIRCULAR |
| Material Document and Classification | +5021-2-4,PER CAGE 81755 MFR REF SINGLE MATERIAL RESPONSE OR MIL-R-6855,CLASS 1,GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM IN |
| Aperture Diameter | 0.840 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 1.850 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| Hole Diameter | 0.219 INCHES MINIMUM AND 0.227 INCHES MAXIMUM 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 |
|---|---|
| 16Y637-17 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-424-9890 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-424-9890: Hardness Rating: 60.0 SHORE DUROMETER A MINIMUM OVERALL; Style Designator: CIRCULAR; Material Document and Classification: +5021-2-4,PER CAGE 81755 MFR REF SINGLE MATERIAL RESPONSE OR MIL-R-6855,CLASS 1,GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 10 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.