The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-319-4871, 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 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-319-4871 |
| Primary Part Number | 3TAR49-62-U |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 3.8746 INCHES MINIMUM AND 3.8750 INCHES MAXIMUM IN |
| Contact Angle | 15.0 DEGREES MINIMUM AND 21.0 DEGREES MAXIMUM |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 3.0621 INCHES MINIMUM AND 3.0625 INCHES MAXIMUM IN |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP 440C BALL |
| Material | STEEL COMP 440C INNER RACE |
| Material | STEEL COMP 440C OUTER RACE |
| 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 |
|---|---|
| 3TAR49-62-U PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| 13869201 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| Reference | Meaning |
|---|---|
| 6499-304032-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3110-01-319-4871 is a Bearing,ball,duplex, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-319-4871 has 2 manufacturer part numbers on file: 3TAR49-62-U (Mpb Corporation Dba Mpb Corp), 13869201 (Kaydon Corporation Dba Kaydon Corp).
Key specifications for 3TAR49-62-U: Surface Finish: GROUND; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING; Material Document and Classification: UNABLE TO DECODE; Overall Width: 0.6040 INCHES MINIMUM AND 0.6140 INCHES MAXIMUM IN. 12 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.