The Bushing,sleeve, cataloged under National Stock Number 3120-01-520-9283, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is General Motors Corp. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-520-9283 |
| Primary Part Number | 181407 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES RIGHT END SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE |
| Surface Finish | 63.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Surface Finish | 250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Corner Shape | UNDERCUT LEFT FLANGE BODY CORNER |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.5010 INCHES MINIMUM AND 0.5016 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 0.3590 INCHES MINIMUM AND 0.3660 INCHES MAXIMUM IN |
| Specification/standard Data | 81205-BACB28AT MANUFACTURERS STANDARD |
| Surface Treatment | CADMIUM OVERALL |
| Flange Width | 0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN |
| Material | ALUMINUM AND COPPER ALLOY AND NICKEL 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 |
|---|---|
| 181407 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| BACB28AT06B024C | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-520-9283 is a Bushing,sleeve, manufactured by General Motors Corp, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-520-9283 has 1 manufacturer part number on file: 181407 (General Motors Corp).
Key specifications for 181407: Surface Finish: 63.0 MICROINCHES RIGHT END SURFACE OF BODY; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE; Surface Finish: 63.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY. 21 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.