The Spacer,sleeve, cataloged under National Stock Number 5365-00-021-5480, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-021-5480 |
| Primary Part Number | 53A68A90 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.5500 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.2970 INCHES MINIMUM AND 0.3270 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
|---|---|
| 53A68A90 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 18246 | 5/2 Secondary reference U.S. Government activity |
NSN 5365-00-021-5480 is a Spacer,sleeve, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-021-5480 has 1 manufacturer part number on file: 53A68A90 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-086-0882, 5325-01-166-1363, 6515-01-353-9725. Verify interchangeability with system specifications before substitution.
Key specifications for 53A68A90: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.5500 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.2350 INCHES MINIMUM AND 0.2650 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.