The Seal Ring,metal, cataloged under National Stock Number 5330-00-992-0666, 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7 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-992-0666 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Material Document and Classification | ALLOY PDS 49-11 FSCM 79500 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | BEVELED FACE, LOWER |
| Outside Diameter | 4.188 INCHES MINIMUM AND 4.189 INCHES MAXIMUM IN |
| Joint Style | DIAGONAL JOINT |
| Radial Wall Thickness | 0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Material | STEEL 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 |
|---|---|
| 912C396-1 | 5/9 Secondary reference U.S. Government activity |
| 912C396PC1 | 5/9 Secondary reference Westinghouse Electric Corp |
| 912C396-1 | 3/2 Design control — primary reference U.S. Government activity |
| 912C396PC1 | 5/2 Secondary reference U.S. Government activity |
| 912C396-1 | 5/9 Secondary reference Westinghouse Electric Corp |
| 668J901PC16 | 5/9 Secondary reference Westinghouse Electric Corp |
NSN 5330-00-992-0666 is a Seal Ring,metal, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-992-0666: Overall Width: 0.2910 INCHES NOMINAL IN; Material Document and Classification: ALLOY PDS 49-11 FSCM 79500 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: BEVELED FACE, LOWER; Outside Diameter: 4.188 INCHES MINIMUM AND 4.189 INCHES MAXIMUM 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.