The Spacer,sleeve, cataloged under National Stock Number 5365-01-263-1144, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 — Bushings, Rings, Shims, and Spacers (FSG 53) |
| Manufacturers | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (CAGE 78062) |
| Parameter | Value |
|---|---|
| NSN | 5365-01-263-1144 |
| Primary Part Number | 257272 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| Body Outside Diameter | 0.5000 INCHES NOMINAL IN |
| Body Inside Diameter | 0.3840 INCHES NOMINAL IN |
| Material | STEEL COMP 304 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 |
|---|---|
| 257272 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 257272 | 5/9 Secondary reference U.S. Government activity |
| 257272 | 5/9 Secondary reference Sargent Aerospace a Dover Diversified Co |
NSN 5365-01-263-1144 is a Spacer,sleeve, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-263-1144 has 1 manufacturer part number on file: 257272 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 6740-01-429-3779. Verify interchangeability with system specifications before substitution.
Key specifications for 257272: Body Outside Diameter: 0.5000 INCHES NOMINAL IN; Overall Length: 0.3050 INCHES MINIMUM AND 0.3070 INCHES MAXIMUM IN; Body Inside Diameter: 0.3840 INCHES NOMINAL IN; Material: STEEL COMP 304 OVERALL. 3 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.