The Ring,retaining, cataloged under National Stock Number 5325-01-156-9404, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-156-9404 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | CHAMFERED OUTSIDE CORNERS |
| Major Thickness | 0.045 INCHES MINIMUM AND 0.049 INCHES MAXIMUM 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 |
|---|---|
| STD571 | C/1 Advisory reference — outside the item-of-supply concept Rolls-Royce Controls and Data Services Limited |
| STD571 | 3/9 Design control — primary reference Goodrich Control Systems Ltd T/a Goodrich Engine Control Systems |
NSN 5325-01-156-9404 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-156-9404: Usage Design: EXTERNAL; Cross-Sectional Shape Style: CHAMFERED OUTSIDE CORNERS; Major Thickness: 0.045 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN. 3 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.