The Spacer,sleeve, cataloged under National Stock Number 5365-00-401-5263, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-401-5263 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Flange Outside Diameter | 4.2490 INCHES MINIMUM AND 4.2520 INCHES MAXIMUM IN |
| Body Outside Diameter | 3.7500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 3.0000 INCHES MINIMUM AND 3.0020 INCHES MAXIMUM IN |
| Material | STEEL COMP 316 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 58216-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-00-401-5263 is a Spacer,sleeve, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2520-01-128-8846. Verify interchangeability with system specifications before substitution.
Key specifications for 5365-00-401-5263: Flange Outside Diameter: 4.2490 INCHES MINIMUM AND 4.2520 INCHES MAXIMUM IN; Body Outside Diameter: 3.7500 INCHES NOMINAL IN; Material Document and Classification: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 1.1620 INCHES MINIMUM AND 1.1720 INCHES MAXIMUM IN. 5 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.