The Bushing,sleeve, cataloged under National Stock Number 3120-01-477-5673, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Mayday Manufacturing Co.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-477-5673 |
| Primary Part Number | 4M375-07007 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Mayday Manufacturing Co. |
| Status | ACTIVE |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Corner Shape | UNDERCUT LEFT FLANGE BODY CORNER |
| Flange Outside Diameter | 0.6870 INCHES NOMINAL IN |
| Body Outside Diameter | 0.5616 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 0.4250 INCHES NOMINAL IN |
| Flange Width | 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 173 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 |
|---|---|
| 4M375-07007 PRIMARY | Mayday Manufacturing Co. (USA) |
| 4M375-07007 | The Boeing Company Div Defense (USA) |
| 4M375-07007 PRIMARY | Avalon Machine Products Inc (USA) |
NSN 3120-01-477-5673 is a Bushing,sleeve, manufactured by Mayday Manufacturing Co., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-477-5673 has 3 manufacturer part numbers on file: 4M375-07007 (Mayday Manufacturing Co.), 4M375-07007 (The Boeing Company Div Defense), 4M375-07007 (Avalon Machine Products Inc).
Key specifications for 4M375-07007: Corner Shape: CHAMFERED OUTSIDE RIGHT CORNER; Corner Shape: UNDERCUT LEFT FLANGE BODY CORNER; Flange Outside Diameter: 0.6870 INCHES NOMINAL IN; Body Outside Diameter: 0.5616 INCHES NOMINAL IN. 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.