The Ring,retaining, cataloged under National Stock Number 5325-01-345-9521, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Summer Equipment Ltd. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Summer Equipment Ltd (CAGE 0JMJ6) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-345-9521 |
| Primary Part Number | 51-300006 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Summer Equipment Ltd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 51-300006 | Summer Equipment Ltd (CAN) |
| Reference | Meaning |
|---|---|
| 51-300006 | 3/9 Design control — primary reference Chesapeake Associated Enterprises |
NSN 5325-01-345-9521 is a Ring,retaining, manufactured by Summer Equipment Ltd, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-345-9521 has 1 manufacturer part number on file: 51-300006 (Summer Equipment Ltd).
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.