The Ring,retaining, cataloged under National Stock Number 5325-01-341-4433, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Bsi Standards Limited. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5325-01-341-4433 |
| Primary Part Number | AS42951-102 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Bsi Standards Limited |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Outside Diameter | 108.15 MILLIMETERS MINIMUM AND 108.89 MILLIMETERS MAXIMUM MM |
| Major Thickness | 2.54 MILLIMETERS NOMINAL MM |
| Inside Diameter | 102.0 MILLIMETERS NOMINAL MM |
| Ring Style | OCTAGON |
| 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 |
|---|---|
| AS42951-102 | Bsi Standards Limited (GBR) |
| Reference | Meaning |
|---|---|
| AS42951-102 | 3/9 Design control — primary reference British Aerospace Holdings Inc |
NSN 5325-01-341-4433 is a Ring,retaining, manufactured by Bsi Standards Limited, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-341-4433 has 1 manufacturer part number on file: AS42951-102 (Bsi Standards Limited).
Key specifications for AS42951-102: Usage Design: EXTERNAL; Outside Diameter: 108.15 MILLIMETERS MINIMUM AND 108.89 MILLIMETERS MAXIMUM MM; Major Thickness: 2.54 MILLIMETERS NOMINAL MM; Inside Diameter: 102.0 MILLIMETERS NOMINAL MM. 5 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.