The Ring,retaining, cataloged under National Stock Number 5325-01-289-5553, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-289-5553 |
| Primary Part Number | 7000-V1278 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Minor Thickness | 0.046 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | GROOVED INSIDE CORNER |
| Outside Diameter | 2.245 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Major Thickness | 0.234 INCHES NOMINAL IN |
| Inside Diameter | 2.172 INCHES MINIMUM AND 2.177 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| 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 |
|---|---|
| 7000-V1278 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 265820-18 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5325-01-289-5553 is a Ring,retaining, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-289-5553 has 1 manufacturer part number on file: 7000-V1278 (Bae Systems Land & Armaments L.p.).
Key specifications for 7000-V1278: Usage Design: INTERNAL; End Style: 90 DEGREE PARALLEL; Minor Thickness: 0.046 INCHES NOMINAL IN; Cross-Sectional Shape Style: GROOVED INSIDE CORNER. 9 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.