The Bushing,sleeve, cataloged under National Stock Number 3120-01-256-9283, 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 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-256-9283 |
| Primary Part Number | ST4M130-07014 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Mayday Manufacturing Co. |
| Status | ACTIVE |
| Flange Outside Diameter | 0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.5018 INCHES MINIMUM AND 0.5023 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.4310 INCHES MINIMUM AND 0.4325 INCHES MAXIMUM IN |
| Flange Width | 0.0270 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM 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 |
|---|---|
| ST4M130-07014 PRIMARY | Mayday Manufacturing Co. (USA) |
| Reference | Meaning |
|---|---|
| ST4M130-07014 | 5/9 Secondary reference Avalon Machine Products Inc |
| ST4M130-07014 | 5/9 Secondary reference The Boeing Company Div Defense |
| ST4M130-07014 | C/1 Advisory reference — outside the item-of-supply concept All Power Manufacturing Co. |
| ST4M130-07014 | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
NSN 3120-01-256-9283 is a Bushing,sleeve, manufactured by Mayday Manufacturing Co., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-256-9283 has 1 manufacturer part number on file: ST4M130-07014 (Mayday Manufacturing Co.).
Key specifications for ST4M130-07014: Flange Outside Diameter: 0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN; Body Outside Diameter: 0.5018 INCHES MINIMUM AND 0.5023 INCHES MAXIMUM IN; Overall Length: 0.1530 INCHES NOMINAL IN; Body Inside Diameter: 0.4310 INCHES MINIMUM AND 0.4325 INCHES MAXIMUM IN. 5 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.