The Seal Ring,metal, cataloged under National Stock Number 5330-01-072-0296, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-072-0296 |
| Primary Part Number | 145C029H01 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PS83229WG MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | PDS10105AU,AISI1045 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 2.750 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Surface Treatment | CHROMIUM OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 145C029H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 145C029H01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-01-072-0296 is a Seal Ring,metal, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-072-0296 has 1 manufacturer part number on file: 145C029H01 (Northrop Grumman Support Services Corp).
Key specifications for 145C029H01: Surface Treatment Document and Classification: PS83229WG MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Width: 0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN; Material Document and Classification: PDS10105AU,AISI1045 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE. 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.