The Bushing,sleeve, cataloged under National Stock Number 3120-01-476-6941, 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 6 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-476-6941 |
| Primary Part Number | ST4M166-8-004 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | All Power Manufacturing Co. |
| Status | ACTIVE |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Body Outside Diameter | 0.6240 INCHES NOMINAL IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.5000 INCHES NOMINAL IN |
| Material | STEEL COMP 630 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 |
|---|---|
| ST4M166-8-004 | The Boeing Company Div Defense (USA) |
| ST4M166-8-004 PRIMARY | All Power Manufacturing Co. (USA) |
| ST4M166-8-004 PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST4M166-8-004 PRIMARY | Avalon Machine Products Inc (USA) |
| ST4M166-8-004 PRIMARY | Mayday Manufacturing Co. (USA) |
| Reference | Meaning |
|---|---|
| ST4M166-8-004 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-476-6941 is a Bushing,sleeve, manufactured by All Power Manufacturing Co., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-476-6941 has 5 manufacturer part numbers on file: ST4M166-8-004 (The Boeing Company Div Defense), ST4M166-8-004 (All Power Manufacturing Co.), ST4M166-8-004 (Reid Products Inc. Dba Reid Products Inc), ST4M166-8-004 (Avalon Machine Products Inc), ST4M166-8-004 (Mayday Manufacturing Co.).
Key specifications for ST4M166-8-004: Corner Shape: CHAMFERED OUTSIDE LEFT CORNER; Corner Shape: CHAMFERED OUTSIDE RIGHT CORNER; Body Outside Diameter: 0.6240 INCHES NOMINAL IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 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.