The Spacer,ring, cataloged under National Stock Number 5365-00-004-0763, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5365-00-004-0763 |
| Primary Part Number | 10863001 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | CANCELLED |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | FED STD NO. 66 FED STD SINGLE MATERIAL RESPONSE OR AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE |
| Features Provided | CASEHARDENED |
| Inside Diameter | 3.562 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5365-00-004-0763 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: cancelled.
NSN 5365-00-004-0763 has 2 manufacturer part numbers on file: 10863001 (U S Army Tank Automotive Command Amsta-Im-Mm), 1066766 (Fmc Corp).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-106-6985. Verify interchangeability with system specifications before substitution.
Key specifications for 10863001: Outside Diameter: 4.500 INCHES NOMINAL IN; Overall Thickness: 0.250 INCHES NOMINAL IN; Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM; Material Document and Classification: FED STD NO. 66 FED STD SINGLE MATERIAL RESPONSE OR AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE. 7 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.
NSN 5365-00-004-0763 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.