The Spacer,sleeve, cataloged under National Stock Number 5365-01-381-2184, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5365-01-381-2184 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Left End Body Diameter | 0.4850 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Flange Outside Diameter | 0.7500 INCHES NOMINAL IN |
| End to Flange Distance | 0.0600 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE |
| Material Document and Classification | ASTM A 519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.3125 INCHES NOMINAL IN |
| Right End Body Diameter | 0.4850 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Flange Width | 0.7970 INCHES MINIMUM AND 0.8120 INCHES MAXIMUM IN |
| Material | STEEL 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 |
|---|---|
| 25765-1 | 3/9 Design control — primary reference U.S. Government activity |
| 25765-1 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 25765-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-01-381-2184 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): 4730-01-685-4083. Verify interchangeability with system specifications before substitution.
Key specifications for 5365-01-381-2184: Corner Shape: SQUARE ALL CORNERS; Left End Body Diameter: 0.4850 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Flange Outside Diameter: 0.7500 INCHES NOMINAL IN; End to Flange Distance: 0.0600 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN. 10 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.