The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-00-473-2979, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-473-2979 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Height | 0.656 INCHES NOMINAL IN |
| Minor Thickness | 0.250 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.875 INCHES NOMINAL IN |
| Minor Height | 0.562 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SPECIAL |
| Aperture Diameter | 12.094 INCHES NOMINAL IN |
| Minor Width | 0.328 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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 |
|---|---|
| SS563S4801-931918PC13 | 5/2 Secondary reference U.S. Government activity |
| 564-4801-936019PCT3 | 3/2 Design control — primary reference U.S. Government activity |
| 3055-20PCJ3 | 5/2 Secondary reference U.S. Government activity |
| 2955-26PCN4 | 5/2 Secondary reference U.S. Government activity |
| K1-4801-999530PCJ3 | 5/2 Secondary reference U.S. Government activity |
| 2955-20PCT3 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-473-2979 is a Seal,nonmetallic Special Shaped, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-473-2979: Cross-Sectional Height: 0.656 INCHES NOMINAL IN; Minor Thickness: 0.250 INCHES NOMINAL IN; Cross-Sectional Width: 0.875 INCHES NOMINAL IN; Minor Height: 0.562 INCHES NOMINAL IN. 12 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.