The Ring,retaining, cataloged under National Stock Number 5325-01-078-8277, 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 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-078-8277 |
| Primary Part Number | 12266924 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Document and Classification | QQ-A-225/3, T3 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/6, ALLOY 2024 FED SPEC 2ND MATERIAL RESPONSE AND QQ-A-225/6, T4 FED SPEC 3RD MATERIAL RESPONSE AND QQ-A-225/8, ALLOY 6061, T6 FED SPEC 4TH MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Major Thickness | 0.130 INCHES NOMINAL IN |
| Inside Diameter | 1.003 INCHES MINIMUM AND 1.111 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | TAPER |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 2011 AND ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| 12266924 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5325-01-078-8277 is a Ring,retaining, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-078-8277 has 1 manufacturer part number on file: 12266924 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12266924: Usage Design: INTERNAL; Material Document and Classification: QQ-A-225/3, T3 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/6, ALLOY 2024 FED SPEC 2ND MATERIAL RESPONSE AND QQ-A-225/6, T4 FED SPEC 3RD MATERIAL RESPONSE AND QQ-A-225/8, ALLOY 6061, T6 FED SPEC 4TH MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUNDED CORNERS; Major Thickness: 0.130 INCHES NOMINAL IN. 9 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.