The Bushing,sleeve, cataloged under National Stock Number 3120-01-377-0728, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-377-0728 |
| Primary Part Number | ST4M130-12021 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | All Power Manufacturing Co. |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 1.1200 INCHES MINIMUM AND 1.1400 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.8757 INCHES MINIMUM AND 0.8767 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.7495 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN |
| Flange Width | 0.0500 INCHES MINIMUM AND 0.0700 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 |
|---|---|
| ST4M130-12021 | All Power Manufacturing Co. (USA) |
| ST4M130-12021 | Avalon Machine Products Inc (USA) |
| ST4M130-12021 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| ST4M130-12021 | C/1 Advisory reference — outside the item-of-supply concept Mayday Manufacturing Co. |
| ST4M130-12021 | 3/9 Design control — primary reference The Boeing Company Div Defense |
NSN 3120-01-377-0728 is a Bushing,sleeve, manufactured by All Power Manufacturing Co., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-377-0728 has 3 manufacturer part numbers on file: ST4M130-12021 (All Power Manufacturing Co.), ST4M130-12021 (Avalon Machine Products Inc), ST4M130-12021 (Reid Products Inc. Dba Reid Products Inc).
Key specifications for ST4M130-12021: Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 1.1200 INCHES MINIMUM AND 1.1400 INCHES MAXIMUM IN; Body Outside Diameter: 0.8757 INCHES MINIMUM AND 0.8767 INCHES MAXIMUM IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END. 8 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.