The Bearing,sleeve, cataloged under National Stock Number 3120-01-321-0599, 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14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-321-0599 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 3.2500 INCHES NOMINAL IN |
| Body Outside Diameter | 1.7520 INCHES MINIMUM AND 1.7530 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 1.3690 INCHES MINIMUM AND 1.3700 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED OPEN ONE END |
| Antirotation/lubrication Type and Quantity | 2 HOLE |
| Flange Width | 0.1870 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN |
| Material | PLASTIC FLUOROCARBON OVERALL |
| Surface Groove Location and Quantity | 1 INTERNAL |
| Hole Diameter | 0.1250 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 |
|---|---|
| 26M68-303-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-321-0599 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-321-0599: Surface Finish: 32.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS. 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.