The Ring,retaining, cataloged under National Stock Number 5325-01-684-4527, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-684-4527 |
| Primary Part Number | 850-004 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Kirby Morgan Dive Systems Inc |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 850-004ED | Naval Inventory Control Point Mechanicsburg (USA) |
| 850-004 PRIMARY | Kirby Morgan Dive Systems Inc (USA) |
| 850-004 | Dive Lab, Inc. Dba Dive Lab Inc (USA) |
| 6914580/SHEET 5FIND 5ED | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 6914580/SHEET 5FIND 5 | D/9 Drawing number reference only Naval Sea Systems Command |
| 850-004/8324510 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-684-4527 is a Ring,retaining, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-684-4527 has 4 manufacturer part numbers on file: 850-004ED (Naval Inventory Control Point Mechanicsburg), 850-004 (Kirby Morgan Dive Systems Inc), 850-004 (Dive Lab, Inc. Dba Dive Lab Inc), 6914580/SHEET 5FIND 5ED (Naval Inventory Control Point Mechanicsburg).
Key specifications for 850-004: Criticality Code Justification: FEAT; Special Features: EXPLOSIVE ORDNANCE DISPOSAL (EOD) TOOLS/EQUIPMENT; Part Name Assigned by Controlling Agency: WASHER; End Item Identification: M 48 FULL FACE MASK. 1 specification is 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.