The Ring,retaining, cataloged under National Stock Number 5325-01-131-8974, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Aerospace Industries Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-131-8974 |
| Primary Part Number | 4055T94P01 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Aerospace Industries Llc |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 5.050 INCHES MINIMUM AND 5.070 INCHES MAXIMUM IN |
| Major Thickness | 0.120 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | WIRE |
| 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 |
|---|---|
| 4055T94P01 | Aerospace Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 4055T94P01 | 3/2 Design control — primary reference U.S. Government activity |
| 4055T94P01 | 5/2 Secondary reference U.S. Government activity |
| 10160184 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5325-01-131-8974 is a Ring,retaining, manufactured by Aerospace Industries Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-131-8974 has 1 manufacturer part number on file: 4055T94P01 (Aerospace Industries Llc).
Key specifications for 4055T94P01: Usage Design: INTERNAL; Cross-Sectional Shape Style: ROUNDED CORNERS; Outside Diameter: 5.050 INCHES MINIMUM AND 5.070 INCHES MAXIMUM IN; Major Thickness: 0.120 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN. 6 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.