The Seal,nonmetallic Round Section, cataloged under National Stock Number 5330-00-780-3779, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-00-780-3779 |
| Item Name | Seal,nonmetallic Round Section |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-S-6855,GR 40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | CIRCULAR WITH CENTER APERTURE |
| Aperture Diameter | 6.580 INCHES NOMINAL IN |
| Cross Section Inside Diameter | 0.188 INCHES NOMINAL IN |
| Cross Section Outside Diameter | 0.282 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Fabrication Method | SOLID |
| 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 |
|---|---|
| 3F11681-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-780-3779 is a Seal,nonmetallic Round Section, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-780-3779: Style Designator: CIRCULAR; Material Document and Classification: MIL-S-6855,GR 40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: CIRCULAR WITH CENTER APERTURE; Aperture Diameter: 6.580 INCHES NOMINAL IN. 9 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.