The Ring,retaining, cataloged under National Stock Number 5325-01-444-5485, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Kirby Morgan Dive Systems Inc. The record lists 1 manufacturer part number 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 | 5325-01-444-5485 |
| Primary Part Number | 540-105 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Kirby Morgan Dive Systems 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 |
|---|---|
| 540-105 PRIMARY | Kirby Morgan Dive Systems Inc (USA) |
NSN 5325-01-444-5485 is a Ring,retaining, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-444-5485 has 1 manufacturer part number on file: 540-105 (Kirby Morgan Dive Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-665-8570. Verify interchangeability with system specifications before substitution.
Key specifications for 540-105: End Item Identification: KIRBY MORGAN SUPER-LITE 27B. 0 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.