The Ring,retaining, cataloged under National Stock Number 5325-00-045-7365, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Kaydon Ring & Seal Inc Dba Skf Precision Technologies. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-045-7365 |
| Primary Part Number | 25172B00REVB |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Kaydon Ring & Seal Inc Dba Skf Precision Technologies |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 7.000 INCHES NOMINAL IN |
| Major Thickness | 0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| Inside Diameter | 6.458 INCHES MINIMUM AND 6.488 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPLIT |
| Material | IRON |
| 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 |
|---|---|
| 25172B00 | Hoosier Industrial Supply, Inc (USA) |
| 25172B00REVB PRIMARY | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| R25172 PRIMARY | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
NSN 5325-00-045-7365 is a Ring,retaining, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-045-7365 has 3 manufacturer part numbers on file: 25172B00 (Hoosier Industrial Supply, Inc), 25172B00REVB (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), R25172 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division).
Key specifications for 25172B00REVB: Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 7.000 INCHES NOMINAL IN; Major Thickness: 0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN. 8 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.