The Bearing,sleeve, cataloged under National Stock Number 3120-00-421-2458, 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13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-00-421-2458 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 2.8650 INCHES MINIMUM AND 2.8850 INCHES MAXIMUM IN |
| Body Outside Diameter | 2.6900 INCHES MINIMUM AND 2.7000 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-C-530,COND H FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Body Inside Diameter | 2.3350 INCHES MINIMUM AND 2.3450 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED CIRCULAR |
| Antirotation/lubrication Type and Quantity | 4 HOLE |
| Flange Width | 0.0650 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL |
| Surface Groove Location and Quantity | 1 INTERNAL |
| Hole Diameter | 0.0690 INCHES MINIMUM AND 0.0740 INCHES MAXIMUM 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 |
|---|---|
| 4G53005-103B | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-00-421-2458 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-00-421-2458: Surface Finish: 125.0 MICROINCHES OVERALL; Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 2.8650 INCHES MINIMUM AND 2.8850 INCHES MAXIMUM IN; Body Outside Diameter: 2.6900 INCHES MINIMUM AND 2.7000 INCHES MAXIMUM IN. 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.