The Bearing,sleeve, cataloged under National Stock Number 3120-00-021-2974, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-00-021-2974 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 2.2605 INCHES MINIMUM AND 2.2610 INCHES MAXIMUM IN |
| Hardness Rating | 166.0 BRINELL STANDARD MINIMUM OVERALL |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 1.6270 INCHES MINIMUM AND 1.6290 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED CIRCULAR |
| Antirotation/lubrication Type and Quantity | 6 HOLE |
| Material | COPPER ALLOY OVERALL |
| Surface Groove Location and Quantity | 2 EXTERNAL AND 2 INTERNAL |
| Hole Diameter | 0.2480 INCHES MINIMUM AND 0.2580 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 |
|---|---|
| 2593824 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3120-00-021-2974 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-00-021-2974: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 2.2605 INCHES MINIMUM AND 2.2610 INCHES MAXIMUM IN; Hardness Rating: 166.0 BRINELL STANDARD MINIMUM OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 10 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.