The Spacer,sleeve, cataloged under National Stock Number 5365-01-407-2375, 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 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-407-2375 |
| Primary Part Number | 04A081-03A090 |
| 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 | 0.3140 INCHES MINIMUM AND 0.3240 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | MIL-P-18177 TY GEE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.1910 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM IN |
| Material | PLASTIC EPOXY AND GLASS FIBER 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 |
|---|---|
| 04A081-03A090 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 04A081-03A090 PRIMARY | Mayday Manufacturing Co. (USA) |
| Reference | Meaning |
|---|---|
| A551-30-03A090 | 5/9 Secondary reference U.S. Government activity |
NSN 5365-01-407-2375 is a Spacer,sleeve, manufactured by Mayday Manufacturing Co., classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-407-2375 has 2 manufacturer part numbers on file: 04A081-03A090 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 04A081-03A090 (Mayday Manufacturing Co.).
Key specifications for 04A081-03A090: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.3140 INCHES MINIMUM AND 0.3240 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: MIL-P-18177 TY GEE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 6 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.