The Spacer,sleeve, cataloged under National Stock Number 5365-00-554-6429, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Mayday Manufacturing Co.. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-554-6429 |
| Primary Part Number | 522309 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Mayday Manufacturing Co. |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.6200 INCHES MINIMUM AND 0.6400 INCHES MAXIMUM IN |
| Hardness Rating | 85.0 ROCKWELL B MINIMUM OVERALL |
| Criticality Code Justification | ABHP |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.2520 INCHES MINIMUM AND 0.2620 INCHES MAXIMUM IN |
| Material | ALUMINUM OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 522309 PRIMARY | Mayday Manufacturing Co. (USA) |
| Reference | Meaning |
|---|---|
| 522309 | 5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5365-00-554-6429 is a Spacer,sleeve, manufactured by Mayday Manufacturing Co., classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-554-6429 has 1 manufacturer part number on file: 522309 (Mayday Manufacturing Co.).
Key specifications for 522309: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.6200 INCHES MINIMUM AND 0.6400 INCHES MAXIMUM IN; Hardness Rating: 85.0 ROCKWELL B MINIMUM OVERALL; Criticality Code Justification: ABHP. 7 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.