The Ring,retaining, cataloged under National Stock Number 5325-00-174-9840, 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 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-174-9840 |
| Primary Part Number | 7373636 |
| 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 | 50.0 ROCKWELL C MINIMUM |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.008 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN |
| Inside Diameter | 0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5325-00-174-9840 is a Ring,retaining, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-174-9840 has 3 manufacturer part numbers on file: 7373636 (U S Army Tank Automotive Command Amsta-Im-Mm), 1265690 (Chrysler Realty Company Llc Dba Daimler Chrysler), 88484 (New Venture Gear Inc New Process Gear Div).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-281-6002. Verify interchangeability with system specifications before substitution.
Key specifications for 7373636: Material Hardness Rating: 50.0 ROCKWELL C MINIMUM; Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.008 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN. 8 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.