The Ring,retaining, cataloged under National Stock Number 5325-01-519-7164, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rotor Clip Company, Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-519-7164 |
| Primary Part Number | HO-25ST PD |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rotor Clip Company, Inc. |
| Status | ACTIVE |
| Material Hardness Rating | 86.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 88.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| Usage Design | EXTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Strength Rating | ERR-060 |
| Material Diameter | 0.015 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.280 INCHES NOMINAL IN |
| Inside Diameter | 0.115 INCHES NOMINAL IN |
| Casehardening Indicator | CASEHARDENED |
| Ring Style | INTERNAL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| HO-25ST PD PRIMARY | Rotor Clip Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| NA3000-025P-X | 5/9 Secondary reference Tfc Limited |
NSN 5325-01-519-7164 is a Ring,retaining, manufactured by Rotor Clip Company, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-519-7164 has 1 manufacturer part number on file: HO-25ST PD (Rotor Clip Company, Inc.).
Key specifications for HO-25ST PD: Material Hardness Rating: 86.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 88.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM; Usage Design: EXTERNAL; End Style: 90 DEGREE PARALLEL; Strength Rating: ERR-060. 11 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.