The Ring,retaining, cataloged under National Stock Number 5325-01-116-0748, 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 6 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-116-0748 |
| Primary Part Number | 39910 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.838 INCHES NOMINAL IN |
| Inside Diameter | 0.712 INCHES NOMINAL IN |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | ZINC |
| Material | STEEL UNS K08500 |
| 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 |
|---|---|
| 39910 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5325-01-116-0748 is a Ring,retaining, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-116-0748 has 1 manufacturer part number on file: 39910 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-597-0616, 5360-01-661-4704. Verify interchangeability with system specifications before substitution.
Key specifications for 39910: Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 0.838 INCHES NOMINAL IN; Inside Diameter: 0.712 INCHES NOMINAL IN; Ring Style: STRAIGHT GAP. 6 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.