The Ring,retaining, cataloged under National Stock Number 5325-00-282-5046, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Cummins 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-282-5046 |
| Primary Part Number | S16225 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Material Hardness Rating | 54.0 ROCKWELL C NOMINAL |
| Usage Design | EXTERNAL |
| End Style | VERTEX OUTSIDE PERIPHERY |
| Material Document and Classification | ASTM A576 1060 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 0.964 INCHES MINIMUM AND 0.977 INCHES MAXIMUM IN |
| Major Thickness | 0.059 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Inside Diameter | 0.836 INCHES MINIMUM AND 0.841 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL COMP 1060 |
| 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 |
|---|---|
| S16225 PRIMARY | Cummins Inc. (USA) |
NSN 5325-00-282-5046 is a Ring,retaining, manufactured by Cummins Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-282-5046 has 1 manufacturer part number on file: S16225 (Cummins Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 6510-01-166-0156, 6530-01-255-9984. Verify interchangeability with system specifications before substitution.
Key specifications for S16225: Material Hardness Rating: 54.0 ROCKWELL C NOMINAL; Usage Design: EXTERNAL; End Style: VERTEX OUTSIDE PERIPHERY; Material Document and Classification: ASTM A576 1060 ASSN STD SINGLE MATERIAL RESPONSE. 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.