The Spacer,sleeve, cataloged under National Stock Number 5365-01-264-4023, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-264-4023 |
| Primary Part Number | 12339249-1 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Body Outside Diameter | 1.0000 INCHES NOMINAL IN |
| Material | STEEL COMP MT1010 OR STEEL COMP 422 OR STEEL COMP MTX1020 OR STEEL COMP MTX1015 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL |
| 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 |
|---|---|
| 5572298 | Am General Llc (USA) |
| 12339249-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12339249 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 5365PL0783713 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5365-01-264-4023 is a Spacer,sleeve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-264-4023 has 2 manufacturer part numbers on file: 5572298 (Am General Llc), 12339249-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-588-4010. Verify interchangeability with system specifications before substitution.
Key specifications for 12339249-1: Body Outside Diameter: 1.0000 INCHES NOMINAL IN; Overall Length: 1.9800 INCHES NOMINAL IN; Material: STEEL COMP MT1010 OR STEEL COMP 422 OR STEEL COMP MTX1020 OR STEEL COMP MTX1015 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL. 2 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.