The Ring,retaining, cataloged under National Stock Number 5325-00-138-6669, is classified within Federal Supply Class 5325 (Fastening Devices) 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-138-6669 |
| Primary Part Number | 116B482H01 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 4.940 INCHES NOMINAL IN |
| Major Thickness | 0.109 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | INTERNAL |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 116B482H01 | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 116B482H01 | 3/9 Design control — primary reference U.S. Government activity |
| 116B482H01 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-138-6669 is a Ring,retaining, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-138-6669 has 1 manufacturer part number on file: 116B482H01 (Northrop Grumman Support Services Corp).
Key specifications for 116B482H01: Usage Design: INTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 4.940 INCHES NOMINAL IN; Major Thickness: 0.109 INCHES NOMINAL IN. 7 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.