The Bushing,sleeve, cataloged under National Stock Number 3120-01-286-3147, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-286-3147 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | UNDERCUT LEFT FLANGE BODY CORNER |
| Flange Outside Diameter | 0.8020 INCHES MINIMUM AND 0.8220 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.6892 INCHES MINIMUM AND 0.6902 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-C-530,COND HT FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Body Inside Diameter | 0.5560 INCHES MINIMUM AND 0.5575 INCHES MAXIMUM IN |
| Specification/standard Data | 76301-4-139 MANUFACTURERS STANDARD |
| Flange Width | 0.0600 INCHES MINIMUM AND 0.0620 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 |
| Reference | Meaning |
|---|---|
| 4M139BC9-030 | 5/9 Secondary reference U.S. Government activity |
| 4M139BC9-030 | 5/9 Secondary reference Mayday Manufacturing Co. |
| 4M139BC9-030 | C/1 Advisory reference — outside the item-of-supply concept All Power Manufacturing Co. |
| 4M139BC9-030 | 5/9 Secondary reference Avalon Machine Products Inc |
| 4M139BC9-030 | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
| 4M139BC9-030 | 3/9 Design control — primary reference The Boeing Company Div Defense |
NSN 3120-01-286-3147 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-286-3147: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 14 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.