The Ring,retaining, cataloged under National Stock Number 5325-01-221-3133, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Dana Commercial Vehicle Products, Llc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,retaining |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | Dana Commercial Vehicle Products, Llc (CAGE 52304); Paccar Parts U.k. Limited (CAGE U0747); Eaton Truck Components (CAGE K8879); Seddon Atkinson Vehicles Ltd (CAGE K7334) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-221-3133 |
| Primary Part Number | 16628 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Dana Commercial Vehicle Products, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 16628 PRIMARY | Dana Commercial Vehicle Products, Llc (USA) |
| Y028 809 11 | Paccar Parts U.k. Limited (GBR) |
| 16628 | Eaton Truck Components (GBR) |
| 3290973R1 | Seddon Atkinson Vehicles Ltd (GBR) |
NSN 5325-01-221-3133 is a Ring,retaining, manufactured by Dana Commercial Vehicle Products, Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-221-3133 has 4 manufacturer part numbers on file: 16628 (Dana Commercial Vehicle Products, Llc), Y028 809 11 (Paccar Parts U.k. Limited), 16628 (Eaton Truck Components), 3290973R1 (Seddon Atkinson Vehicles Ltd).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-225-0661, 5365-01-268-7362, 3460-01-548-4362. Verify interchangeability with system specifications before substitution.
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.