The Spacer,ring, cataloged under National Stock Number 5365-00-776-7771, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-776-7771 |
| Primary Part Number | 7767771 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Outside Diameter | 5.250 INCHES NOMINAL IN |
| Overall Thickness | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | QQ-S-626 FED SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 4.752 INCHES MINIMUM AND 4.762 INCHES MAXIMUM IN |
| Material | STEEL COMP 4140 |
| 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 |
|---|---|
| 7767771 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 6762086 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 5365007767771 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5365-00-776-7771 is a Spacer,ring, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-776-7771 has 2 manufacturer part numbers on file: 7767771 (U S Army Tank Automotive Command Amsta-Im-Mm), 6762086 (General Motors Corp).
Key specifications for 7767771: Outside Diameter: 5.250 INCHES NOMINAL IN; Overall Thickness: 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Material Document and Classification: QQ-S-626 FED SPEC SINGLE MATERIAL RESPONSE. 6 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.