The Seal,nonmetallic Round Section, cataloged under National Stock Number 5330-01-331-2801, 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7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-331-2801 |
| Item Name | Seal,nonmetallic Round Section |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Temp Rating | -94.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Hardness Rating | 30.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | CIRCULAR |
| Material Document and Classification | ZZ-R-765,CL 3B,GRADE 30 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Aperture Diameter | 0.950 INCHES NOMINAL IN |
| Material | RUBBER OVERALL |
| Construction | SOLID |
| 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 |
|---|---|
| 5-1-2070 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-331-2801 is a Seal,nonmetallic Round Section, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-331-2801: Temp Rating: -94.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Hardness Rating: 30.0 SHORE DUROMETER A NOMINAL OVERALL; Style Designator: CIRCULAR; Material Document and Classification: ZZ-R-765,CL 3B,GRADE 30 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.