The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-014-2283, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corporation Dba Mpb Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-014-2283 |
| Primary Part Number | 3TAR48-56-25 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Preload Rating | 15.0 POUNDS NOMINAL LBS |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Bearing Preload Designation | MEDIUM |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Overall Outside Diameter | 3.4994 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN |
| Load Direction | ANGULAR |
| Bore Diameter | 2.9996 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN |
| Material | OIL LUBRICATION |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 3TAR48-56-25 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| 901817-1C | 7/2 Vendor item drawing reference U.S. Government activity |
| AVYN48WOCRDBFS171 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-01-014-2283 is a Bearing,ball,duplex, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-014-2283 has 1 manufacturer part number on file: 3TAR48-56-25 (Mpb Corporation Dba Mpb Corp).
Key specifications for 3TAR48-56-25: Retainer Fabrication Method: MACHINED; Bearing Preload Rating: 15.0 POUNDS NOMINAL LBS; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND. 11 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.