The Ring,retaining, cataloged under National Stock Number 5325-01-352-9790, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ring,retaining |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | Fastener Innovation Technology, Inc. Dba F I T (CAGE 58998); Howmet Global Fastening Systems Inc. Div Tridair Products (CAGE 29372) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-352-9790 |
| Primary Part Number | RR4067-1 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| 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 |
|---|---|
| RR4067-1 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| CA21239-4R PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 9D0122-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5325-01-352-9790 is a Ring,retaining, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-352-9790 has 2 manufacturer part numbers on file: RR4067-1 (Fastener Innovation Technology, Inc. Dba F I T), CA21239-4R (Howmet Global Fastening Systems Inc. Div Tridair Products).
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.