The Bearing Half,sleeve, cataloged under National Stock Number 3120-01-032-1372, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Timken Gears & Services Inc. Dba Philadelphia Gear Div Northeast Regional Service Center. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-032-1372 |
| Primary Part Number | 42123E201 |
| Item Name | Bearing Half,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Timken Gears & Services Inc. Dba Philadelphia Gear Div Northeast Regional Service Center |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 12.9990 INCHES MINIMUM AND 13.0000 INCHES MAXIMUM IN |
| Style Designator | HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 11.0000 INCHES MINIMUM AND 11.0010 INCHES MAXIMUM IN |
| Antirotation/lubrication Type and Quantity | 1 HOLE |
| Material | OIL LUBRICATING LUBRICATION |
| Material | STEEL COMP 1020 EXTERNAL OUTER MEMBER |
| Material | TIN ALLOY INTERNAL INNER MEMBER |
| Hole Diameter | 0.3750 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 |
|---|---|
| 42123E201 PRIMARY | Timken Gears & Services Inc. Dba Philadelphia Gear Div Northeast Regional Service Center (USA) |
| Reference | Meaning |
|---|---|
| 46123E201 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-032-1372 is a Bearing Half,sleeve, manufactured by Timken Gears & Services Inc. Dba Philadelphia Gear Div Northeast Regional Service Center, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-032-1372 has 1 manufacturer part number on file: 42123E201 (Timken Gears & Services Inc. Dba Philadelphia Gear Div Northeast Regional Service Center).
Key specifications for 42123E201: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 12.9990 INCHES MINIMUM AND 13.0000 INCHES MAXIMUM IN; Style Designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES; Overall Length: 6.5000 INCHES NOMINAL IN. 9 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.