The Spacer,ring, cataloged under National Stock Number 5365-00-752-0778, 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 8 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 | 5365-00-752-0778 |
| Primary Part Number | 7520778 |
| 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 |
| FSC Application Data | 1. PINION BEARING,TRANSMISSION,COMBAT VEHICLE |
| Outside Diameter | 5.187 INCHES NOMINAL IN |
| Overall Thickness | 0.084 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM |
| Material Document and Classification | FED STD 66,SAE FED STD ALL MATERIAL RESPONSES |
| Features Provided | CASEHARDENED |
| Inside Diameter | 4.359 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1022 |
| 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 |
|---|---|
| 7520778 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5365-00-752-0778 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 5365-00-752-0778 has 1 manufacturer part number on file: 7520778 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7520778: FSC Application Data: 1. PINION BEARING,TRANSMISSION,COMBAT VEHICLE; Outside Diameter: 5.187 INCHES NOMINAL IN; Overall Thickness: 0.084 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN; Hardness Rating: 45.0 ROCKWELL C MINIMUM. 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.