The Spacer,ring, cataloged under National Stock Number 5365-00-752-0781, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-752-0781 |
| Primary Part Number | 7520781 |
| 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. &INION BEARING,TRANSMISSION,COMBAT VEHICLE |
| Outside Diameter | 5.1875 INCHES NOMINAL IN |
| Overall Thickness | 0.069 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 ROCKWELL C NOMINAL |
| Material Document and Classification | QQ-S-00624 FED SPEC ALL MATERIAL RESPONSES |
| Features Provided | CASEHARDENED |
| Inside Diameter | 4.3593 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 |
|---|---|
| 7520781 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5365-00-752-0781 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 5365-00-752-0781 has 1 manufacturer part number on file: 7520781 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 2915-01-013-9147. Verify interchangeability with system specifications before substitution.
Key specifications for 7520781: FSC Application Data: 1. &INION BEARING,TRANSMISSION,COMBAT VEHICLE; Outside Diameter: 5.1875 INCHES NOMINAL IN; Overall Thickness: 0.069 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Hardness Rating: 45.0 ROCKWELL C NOMINAL. 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.