The Bushing,sleeve, cataloged under National Stock Number 3120-01-478-1102, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is All Power Manufacturing Co.. Government technical data includes 16 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 | 3120-01-478-1102 |
| Primary Part Number | 4M377-07001 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | All Power Manufacturing Co. |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Surface Treatment Document and Classification | MIL-C-83488,TYPE II,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.8600 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.7505 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN |
| Criticality Code Justification | AGAV |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | ASTSM B196 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.4310 INCHES MINIMUM AND 0.4325 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM ALLOY OVERALL |
| Flange Width | 0.0870 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 4M377-07001 PRIMARY | All Power Manufacturing Co. (USA) |
| 4M377-07001 | Mayday Manufacturing Co. (USA) |
| 4M377-07001 PRIMARY | The Boeing Company Div Defense (USA) |
| 4M377-07001 | Avalon Machine Products Inc (USA) |
NSN 3120-01-478-1102 is a Bushing,sleeve, manufactured by All Power Manufacturing Co., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-478-1102 has 4 manufacturer part numbers on file: 4M377-07001 (All Power Manufacturing Co.), 4M377-07001 (Mayday Manufacturing Co.), 4M377-07001 (The Boeing Company Div Defense), 4M377-07001 (Avalon Machine Products Inc).
Key specifications for 4M377-07001: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE INSIDE LEFT CORNER. 16 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.