The Ring,retaining, cataloged under National Stock Number 5325-01-197-6366, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-197-6366 |
| Primary Part Number | 13215E6598-4 |
| 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 | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| End Style | D SHAPE ABOVE INSIDE PERIPHERY |
| Material Document and Classification | ASTM A682, COMP 1080 OR 1085 OR 1086 OR 1095 OR 1065 OR 1070 OR 1074 ASSN STD ALL MATERIAL RESPONSES OR QQ-S-700, COMP 1065 OR 1074 OR 1080 OR 1085 OR 1086 OR 1095 FED SPEC ALL MATERIAL RESPONSES |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 2.150 INCHES MINIMUM AND 2.181 INCHES MAXIMUM IN |
| Major Thickness | 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Inside Diameter | 1.834 INCHES MINIMUM AND 1.873 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1095 |
| 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 |
|---|---|
| 13215E6598-4 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 13215E6598-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-197-6366 is a Ring,retaining, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-197-6366 has 1 manufacturer part number on file: 13215E6598-4 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 13215E6598-4: Material Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; End Style: D SHAPE ABOVE INSIDE PERIPHERY; Material Document and Classification: ASTM A682, COMP 1080 OR 1085 OR 1086 OR 1095 OR 1065 OR 1070 OR 1074 ASSN STD ALL MATERIAL RESPONSES OR QQ-S-700, COMP 1065 OR 1074 OR 1080 OR 1085 OR 1086 OR 1095 FED SPEC ALL MATERIAL RESPONSES. 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.