The Bearing,sleeve, cataloged under National Stock Number 3120-00-409-2986, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-409-2986 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 125.0 MICROINCHES RIGHT END SURFACE OF BODY |
| Surface Finish | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 125.0 MICROINCHES LEFT END SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 2.2510 INCHES MINIMUM AND 2.2520 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 2.0000 INCHES MINIMUM AND 2.0010 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED CLOSED BOTH ENDS AND GROOVED CIRCULAR |
| Antirotation/lubrication Type and Quantity | 2 HOLE |
| Material | COPPER ALLOY 485 OVERALL |
| Surface Groove Location and Quantity | 2 EXTERNAL AND 2 INTERNAL |
| Hole Diameter | 0.3120 INCHES NOMINAL FIRST IN |
| 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 |
|---|---|
| 420259-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-00-409-2986 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-00-409-2986: Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY; Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Surface Finish: 125.0 MICROINCHES LEFT END SURFACE OF BODY. 13 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.