The Ring,retaining, cataloged under National Stock Number 5325-01-548-1105, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 2 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-548-1105 |
| Primary Part Number | 211-1634 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Ring Style | EXTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5325-01-548-1105 is a Ring,retaining, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-548-1105 has 2 manufacturer part numbers on file: 211-1634 (Caterpillar Inc Div Caterpillar Defense), 103111 (Paccar Winch Inc Dba Paccar Winch Division).
1 possible match (shared part number, not a government interchangeability claim): 4220-01-675-4458. Verify interchangeability with system specifications before substitution.
Key specifications for 211-1634: Usage Design: EXTERNAL; Ring Style: EXTERNAL; Special Features: NHA IS CLUTCH ASSEMBLY; Part Name Assigned by Controlling Agency: RETAINING RING. 2 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.