The Bushing,sleeve, cataloged under National Stock Number 3120-01-256-9285, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Avalon Machine Products Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-256-9285 |
| Primary Part Number | ST4M130-10026 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Avalon Machine Products Inc |
| Status | ACTIVE |
| Flange Outside Diameter | 1.0500 INCHES MINIMUM AND 1.0700 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.8140 INCHES MINIMUM AND 0.8150 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.6800 INCHES MINIMUM AND 0.6820 INCHES MAXIMUM IN |
| Flange Width | 0.0393 INCHES MINIMUM AND 0.0403 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 172 OR 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 | X |
| Part Number | Manufacturer |
|---|---|
| ST4M130-10026 | Avalon Machine Products Inc (USA) |
| ST4M130-10026 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST4M130-10026 | All Power Manufacturing Co. (USA) |
| ST4M130-10026 | Mayday Manufacturing Co. (USA) |
| Reference | Meaning |
|---|---|
| ST4M130-10026 | 3/9 Design control — primary reference The Boeing Company Div Defense |
NSN 3120-01-256-9285 is a Bushing,sleeve, manufactured by Avalon Machine Products Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-256-9285 has 4 manufacturer part numbers on file: ST4M130-10026 (Avalon Machine Products Inc), ST4M130-10026 (Reid Products Inc. Dba Reid Products Inc), ST4M130-10026 (All Power Manufacturing Co.), ST4M130-10026 (Mayday Manufacturing Co.).
Key specifications for ST4M130-10026: Flange Outside Diameter: 1.0500 INCHES MINIMUM AND 1.0700 INCHES MAXIMUM IN; Body Outside Diameter: 0.8140 INCHES MINIMUM AND 0.8150 INCHES MAXIMUM IN; Overall Length: 0.4598 INCHES NOMINAL IN; Body Inside Diameter: 0.6800 INCHES MINIMUM AND 0.6820 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.