The Ring,retaining, cataloged under National Stock Number 5325-01-169-5707, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-169-5707 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | VERTEX BELOW CENTER |
| Cross-Sectional Shape Style | CHAMFERED OUTSIDE CORNERS |
| Outside Diameter | 4.010 INCHES NOMINAL IN |
| Major Thickness | 0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Inside Diameter | 3.690 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL |
| 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 |
|---|---|
| A.S.4570/88 | C/1 Advisory reference — outside the item-of-supply concept Sae International Dba Sae International |
| A.S.4570/88 | 3/9 Design control — primary reference Society of British Aerospace Companies Ltd (sbac) |
NSN 5325-01-169-5707 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-169-5707: Usage Design: INTERNAL; End Style: VERTEX BELOW CENTER; Cross-Sectional Shape Style: CHAMFERED OUTSIDE CORNERS; Outside Diameter: 4.010 INCHES NOMINAL IN. 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.