The Bearing,sleeve, cataloged under National Stock Number 3120-00-148-7643, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Westinghouse Electric Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-148-7643 |
| Primary Part Number | 1432177 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Corner Shape | ROUND INSIDE LEFT CORNER |
| Body Outside Diameter | 7.6250 INCHES NOMINAL IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | QQ-T-390,GRADE 2 FED SPEC 2ND MATERIAL RESPONSE INNER LAYER |
| Material Document and Classification | MIL-S-890,CLASS B MIL SPEC 1ST MATERIAL RESPONSE OUTER LAYER |
| Body Inside Diameter | 4.0000 INCHES NOMINAL IN |
| Material | TIN ALLOY UNS L13890 INNER LAYER |
| Material | STEEL OUTER LAYER |
| Hole Diameter | 0.2810 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 |
|---|---|
| 1432177 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 1432177 | 3/2 Design control — primary reference U.S. Government activity |
| 1432177 | 5/9 Secondary reference U.S. Government activity |
NSN 3120-00-148-7643 is a Bearing,sleeve, manufactured by Westinghouse Electric Corp, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-148-7643 has 1 manufacturer part number on file: 1432177 (Westinghouse Electric Corp).
Key specifications for 1432177: Corner Shape: ROUND INSIDE LEFT CORNER; Body Outside Diameter: 7.6250 INCHES NOMINAL IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: QQ-T-390,GRADE 2 FED SPEC 2ND MATERIAL RESPONSE INNER LAYER. 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.