The Ring,retaining, cataloged under National Stock Number 5325-00-253-6559, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-253-6559 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 48.0 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| End Style | VERTEX CENTER OR ABOVE |
| Material Document and Classification | ASTM,B197-66,WIRE,CONDITION A ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 2.250 INCHES NOMINAL IN |
| Major Thickness | 0.093 INCHES NOMINAL IN |
| Inside Diameter | 2.064 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | WIRE |
| Material | COPPER ALLOY |
| Reference Number Differentiating Characteristics | MAXIMUM MAGNETIC PERMEABILITY 1.010 IN A 20 DERSTED FIELD IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1402467 | 3/1 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5325-00-253-6559 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-253-6559: Material Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; End Style: VERTEX CENTER OR ABOVE; Material Document and Classification: ASTM,B197-66,WIRE,CONDITION A ASSN STD SINGLE MATERIAL RESPONSE. 12 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.