The Ring,retaining, cataloged under National Stock Number 5325-01-047-3201, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-047-3201 |
| Primary Part Number | 12340523 |
| 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 | 44.0 ROCKWELL C MINIMUM |
| Usage Design | EXTERNAL |
| Material Document and Classification | AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.482 INCHES NOMINAL IN |
| Major Thickness | 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Inside Diameter | 0.185 INCHES MINIMUM AND 0.191 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 632 |
| 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 |
|---|---|
| 12340523 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 5581391 | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 5325PL0818568 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5325PL0819708 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 11578986 | 5/9 Secondary reference Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| 5304-25-H | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| 5304-25H | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5304-25-H | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
NSN 5325-01-047-3201 is a Ring,retaining, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-047-3201 has 2 manufacturer part numbers on file: 12340523 (U S Army Tank Automotive Command Amsta-Im-Mm), 5581391 (Am General Llc).
Key specifications for 12340523: Material Hardness Rating: 44.0 ROCKWELL C MINIMUM; Usage Design: EXTERNAL; Material Document and Classification: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 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.