The Spacer,sleeve, cataloged under National Stock Number 5365-01-032-3979, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-032-3979 |
| Primary Part Number | 4M72-3-85 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Outside Diameter | 0.3020 INCHES MINIMUM AND 0.3300 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-A-12545,T6 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.1920 INCHES MINIMUM AND 0.2020 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE OVERALL |
| Flange Width | 0.0810 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 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 |
|---|---|
| 4M72-3-85 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| WSI10-85 | 3/9 Design control — primary reference Atlas Corp Western Sky Industries Div |
| SL2609-3-85 | 5/2 Secondary reference U.S. Government activity |
NSN 5365-01-032-3979 is a Spacer,sleeve, manufactured by The Boeing Company Div Defense, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-032-3979 has 1 manufacturer part number on file: 4M72-3-85 (The Boeing Company Div Defense).
Key specifications for 4M72-3-85: Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Outside Diameter: 0.3020 INCHES MINIMUM AND 0.3300 INCHES MAXIMUM IN; Material Document and Classification: MIL-A-12545,T6 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 0.8450 INCHES MINIMUM AND 0.8550 INCHES MAXIMUM IN. 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.