The Ring,retaining, cataloged under National Stock Number 5325-01-478-4957, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Trelleborg Sealing Solutions Us, Inc. (CAGE 09257); Cadillac Gage Textron Inc. (CAGE 10237) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-478-4957 |
| Primary Part Number | S-11109-15 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| 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 |
|---|---|
| S-11109-15 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| 23201-15 | Cadillac Gage Textron Inc. (USA) |
| Reference | Meaning |
|---|---|
| 23201-15 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-478-4957 is a Ring,retaining, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-478-4957 has 2 manufacturer part numbers on file: S-11109-15 (Trelleborg Sealing Solutions Us, Inc.), 23201-15 (Cadillac Gage Textron Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-653-1229. 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.