The Ring,retaining, cataloged under National Stock Number 5325-00-446-9228, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-00-446-9228 |
| Primary Part Number | 1128HM40030-11 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Inside Diameter | 0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Ring Style | STRAIGHT GAP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1128HM40030-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1128HM40030-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5325-00-446-9228 is a Ring,retaining, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-446-9228 has 1 manufacturer part number on file: 1128HM40030-11 (Northrop Grumman Systems Corporation).
Key specifications for 1128HM40030-11: Usage Design: INTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN; Inside Diameter: 0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.