The Ring,retaining, cataloged under National Stock Number 5325-01-526-0993, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Sae International Dba Sae International (CAGE 0U583) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-526-0993 |
| Primary Part Number | MS16631-2218 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Sae International Dba Sae International |
| 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 |
|---|---|
| MS16631-2218 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS16631-2218 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5325-01-526-0993 is a Ring,retaining, manufactured by Sae International Dba Sae International, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-526-0993 has 1 manufacturer part number on file: MS16631-2218 (Sae International Dba Sae International).
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.