The Spacer,plate, cataloged under National Stock Number 5365-01-287-7572, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-287-7572 |
| Primary Part Number | 4M321-5 |
| Item Name | Spacer,plate |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MMS-425,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE |
| End Radius | 0.290 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/4,T81 FED SPEC SINGLE MATERIAL RESPONSE |
| Aperture Diameter | 0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| Side Radius | 0.180 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Center to Center Distance Between Bolt Holes Along Length | 0.873 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Surface Treatment | PRIMER |
| Material | ALUMINUM ALLOY 2024 |
| Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5365-01-287-7572 is a Spacer,plate, manufactured by The Boeing Company Div Defense, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-287-7572 has 2 manufacturer part numbers on file: 4M321-5 (The Boeing Company Div Defense), 4M321-5 (Anillo Industries Llc).
Key specifications for 4M321-5: Surface Treatment Document and Classification: MMS-425,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE; End Radius: 0.290 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/4,T81 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.257 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.