The Seal Ring,metal, cataloged under National Stock Number 5330-00-950-7899, 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7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-950-7899 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Material Document and Classification | MIL-C-15345 ALLOY 7 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | THREE FILLED GROOVES, STRAIGHT FACE SCRAPER |
| Joint Style | VERTICAL JOINT |
| Inside Diameter | 12.394 INCHES MINIMUM AND 12.396 INCHES MAXIMUM IN |
| Radial Wall Thickness | 1.4120 INCHES MINIMUM AND 1.4160 INCHES MAXIMUM IN |
| Ring Style | CONTRACTING CONCENTRIC |
| Material | COPPER ALLOY AND NICKEL 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 |
|---|---|
| 669J660PC16 | 5/2 Secondary reference U.S. Government activity |
| 502C689PC1 | 5/2 Secondary reference U.S. Government activity |
| 502C689A01 | 3/2 Design control — primary reference U.S. Government activity |
| 502C689PC1 | 5/9 Secondary reference Westinghouse Electric Corp |
NSN 5330-00-950-7899 is a Seal Ring,metal, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-950-7899: Overall Width: 0.9380 INCHES NOMINAL IN; Material Document and Classification: MIL-C-15345 ALLOY 7 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: THREE FILLED GROOVES, STRAIGHT FACE SCRAPER; Joint Style: VERTICAL JOINT. 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.