The Ring,retaining, cataloged under National Stock Number 5325-01-173-9477, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Bearing Engineers Inc Dba Motion Solutions. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-173-9477 |
| Primary Part Number | UR-575.S |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Bearing Engineers Inc Dba Motion Solutions |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Document and Classification | AISI 302 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 5.953 INCHES MINIMUM AND 5.998 INCHES MAXIMUM IN |
| Major Thickness | 0.059 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Inside Diameter | 5.503 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL |
| Material | STEEL COMP 302 |
| 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 |
|---|---|
| UR-575.S | Bearing Engineers Inc Dba Motion Solutions (USA) |
| VH-575 | Smalley Steel Ring Co. (USA) |
| Reference | Meaning |
|---|---|
| 2010588-003 | 3/9 Design control — primary reference Cohu, Inc. Dba Cohu Electronic's Division Div Electronics Division |
| UR-575-S | 5/2 Secondary reference U.S. Government activity |
NSN 5325-01-173-9477 is a Ring,retaining, manufactured by Bearing Engineers Inc Dba Motion Solutions, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-173-9477 has 2 manufacturer part numbers on file: UR-575.S (Bearing Engineers Inc Dba Motion Solutions), VH-575 (Smalley Steel Ring Co.).
Key specifications for UR-575.S: Usage Design: INTERNAL; Material Document and Classification: AISI 302 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUNDED CORNERS; Outside Diameter: 5.953 INCHES MINIMUM AND 5.998 INCHES MAXIMUM 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.