The Ring,retaining, cataloged under National Stock Number 5325-01-294-6939, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-294-6939 |
| Primary Part Number | 12364281 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Material Hardness Rating | 43.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| End Style | VERTEX BELOW CENTER |
| Material Document and Classification | AISI 1060 ASSN STD 1ST MATERIAL RESPONSE AND AISI 1065 ASSN STD 2ND MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 9.720 INCHES NOMINAL IN |
| Major Thickness | 0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Inside Diameter | 9.341 INCHES MINIMUM AND 9.353 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL COMP 1060 OR STEEL COMP 1065 |
| 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 |
|---|---|
| 12364281 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| SK12364281 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5325-01-294-6939 is a Ring,retaining, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-294-6939 has 1 manufacturer part number on file: 12364281 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12364281: Material Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; End Style: VERTEX BELOW CENTER; Material Document and Classification: AISI 1060 ASSN STD 1ST MATERIAL RESPONSE AND AISI 1065 ASSN STD 2ND MATERIAL RESPONSE. 11 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.