The Bushing,sleeve, cataloged under National Stock Number 3120-01-480-8263, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-480-8263 |
| Primary Part Number | 4M381BC8-054 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment Document and Classification | MIL-C-83488,TYPE II,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY |
| Body Outside Diameter | 0.6264 INCHES MINIMUM AND 0.6272 INCHES MAXIMUM IN |
| Criticality Code Justification | AGAV |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | ASTM B196 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.4893 INCHES MINIMUM AND 0.4900 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM ALLOY OUTSIDE DIAMETER SURFACE OF BODY |
| Material | COPPER ALLOY 172 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 |
|---|---|
| 4M381BC8-054 PRIMARY | The Boeing Company Div Defense (USA) |
| 4M381BC8-054 PRIMARY | Avalon Machine Products Inc (USA) |
| 4M381BC8-054 PRIMARY | Mayday Manufacturing Co. (USA) |
| 4M381BC8-054 PRIMARY | All Power Manufacturing Co. (USA) |
NSN 3120-01-480-8263 is a Bushing,sleeve, manufactured by The Boeing Company Div Defense, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-480-8263 has 4 manufacturer part numbers on file: 4M381BC8-054 (The Boeing Company Div Defense), 4M381BC8-054 (Avalon Machine Products Inc), 4M381BC8-054 (Mayday Manufacturing Co.), 4M381BC8-054 (All Power Manufacturing Co.).
Key specifications for 4M381BC8-054: Corner Shape: SQUARE ALL CORNERS; Surface Treatment Document and Classification: MIL-C-83488,TYPE II,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY; Body Outside Diameter: 0.6264 INCHES MINIMUM AND 0.6272 INCHES MAXIMUM IN; Criticality Code Justification: AGAV. 9 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.