The Bearing,sleeve, cataloged under National Stock Number 3120-01-024-4670, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-024-4670 |
| Primary Part Number | Y40988 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 125.0 MICROINCHES RIGHT END SURFACE OF BODY |
| Surface Finish | 125.0 MICROINCHES LEFT END SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 2.6205 INCHES MINIMUM AND 2.6215 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 2.2480 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED OPEN BOTH ENDS AND GROOVED SINGLE X |
| Material | COPPER ALLOY 932 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| Y40988 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| Y40988 | 5/9 Secondary reference Paccar Government Group Co Yarrow Bay Office Pk |
NSN 3120-01-024-4670 is a Bearing,sleeve, manufactured by Lake Shore Systems, Inc., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-024-4670 has 1 manufacturer part number on file: Y40988 (Lake Shore Systems, Inc.).
Key specifications for Y40988: Surface Finish: 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY; Surface Finish: 125.0 MICROINCHES LEFT END SURFACE OF BODY. 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.