The Seal Ring,metal, cataloged under National Stock Number 5330-00-787-2720, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-787-2720 |
| Primary Part Number | 906J710PC4 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Material Document and Classification | MIL-C-15345 ALLOY 7 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE, W/RESTRAINER |
| Joint Style | VERTICAL JOINT |
| Inside Diameter | 22.015 INCHES MINIMUM AND 22.017 INCHES MAXIMUM IN |
| Radial Wall Thickness | 1.9910 INCHES MINIMUM AND 1.9920 INCHES MAXIMUM IN |
| Ring Style | CONTRACTING CONCENTRIC |
| Material | NICKEL ALLOY AND COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 906J710PC4 PRIMARY | Westinghouse Electric Corp (USA) |
| 919C916PC1 | Westinghouse Electric Corp (USA) |
| 919C916-1 | Westinghouse Electric Corp (USA) |
NSN 5330-00-787-2720 is a Seal Ring,metal, manufactured by Westinghouse Electric Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-787-2720 has 3 manufacturer part numbers on file: 906J710PC4 (Westinghouse Electric Corp), 919C916PC1 (Westinghouse Electric Corp), 919C916-1 (Westinghouse Electric Corp).
Key specifications for 906J710PC4: Overall Width: 1.2440 INCHES MINIMUM AND 1.2460 INCHES MAXIMUM IN; Material Document and Classification: MIL-C-15345 ALLOY 7 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: PLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE, W/RESTRAINER; 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.