The Ring,retaining, cataloged under National Stock Number 5325-00-360-8140, 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 10 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-360-8140 |
| Primary Part Number | 5307502 |
| 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 | 42.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Diameter | 0.078 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN |
| Inside Diameter | 0.901 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 5307502 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 639423 PRIMARY | Am General Llc (USA) |
| T84G25 PRIMARY | Borg-Warner Corp (USA) |
| Reference | Meaning |
|---|---|
| R20698 | 5/9 Secondary reference U.S. Government activity |
| GPW7063 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| GPW7063 | 5/9 Secondary reference Ford Motor Company |
| 512991 | 3/9 Design control — primary reference Sasco Inc Canadian Div |
| T84G25 | 5/9 Secondary reference Liberty Ventures Inti, Llc |
NSN 5325-00-360-8140 is a Ring,retaining, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-360-8140 has 3 manufacturer part numbers on file: 5307502 (U S Army Tank Automotive Command Amsta-Im-Mm), 639423 (Am General Llc), T84G25 (Borg-Warner Corp).
Key specifications for 5307502: Material Hardness Rating: 42.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; End Style: 90 DEGREE PARALLEL; Material Diameter: 0.078 INCHES NOMINAL IN. 10 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.