The Bearing,sleeve, cataloged under National Stock Number 3120-01-219-4232, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Clark Equipment Co Div Doosan Infracore Portable Power. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-219-4232 |
| Primary Part Number | 187464-56 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Clark Equipment Co Div Doosan Infracore Portable Power |
| Status | ACTIVE |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | ROUND INSIDE LEFT CORNER |
| Corner Shape | ROUND INSIDE RIGHT CORNER |
| Body Outside Diameter | 3.8750 INCHES NOMINAL IN |
| Style Designator | SEGMENTED, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | 46-2 MIL SPEC SINGLE MATERIAL RESPONSE INNER LAYER |
| Material Document and Classification | 46-6 MIL SPEC SINGLE MATERIAL RESPONSE OUTER LAYER |
| Body Inside Diameter | 2.8750 INCHES MINIMUM AND 2.8770 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED CLOSED BOTH ENDS |
| Antirotation/lubrication Type and Quantity | 2 HOLE |
| Material | TIN ALLOY UNS L13890 INNER LAYER |
| Material | COPPER ALLOY 903 OUTER LAYER |
| Surface Groove Location and Quantity | 2 INTERNAL |
| Hole Diameter | 0.3125 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 |
| Part Number | Manufacturer |
|---|---|
| 187464-56 | Clark Equipment Co Div Doosan Infracore Portable Power (USA) |
| Reference | Meaning |
|---|---|
| AR13-S4901-257034 PIECE 56 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-219-4232 is a Bearing,sleeve, manufactured by Clark Equipment Co Div Doosan Infracore Portable Power, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-219-4232 has 1 manufacturer part number on file: 187464-56 (Clark Equipment Co Div Doosan Infracore Portable Power).
Key specifications for 187464-56: Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: ROUND INSIDE LEFT CORNER; Corner Shape: ROUND INSIDE RIGHT CORNER. 15 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.