The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-127-0629, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-127-0629 |
| Primary Part Number | 3TAL12-19SU-DF2 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | MOLDED |
| Bearing Preload Rating | 2.0 POUNDS NOMINAL LBS |
| Internal Clearance | 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Bearing Preload Designation | LIGHT |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 1.1875 INCHES NOMINAL IN |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO. 5T |
| Bore Diameter | 0.7500 INCHES NOMINAL IN |
| Material | STEEL COMP 440C OVERALL |
| Material | OIL LUBRICATING LUBRICATION |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SPACER |
| 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 |
|---|---|
| 3TAL12-19SU-DF2 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| 540901-3926 | Northrop Grumman Litef Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| SR539T8C-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-127-0629 is a Bearing,ball,duplex, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-127-0629 has 2 manufacturer part numbers on file: 3TAL12-19SU-DF2 (Mpb Corporation Dba Mpb Corp), 540901-3926 (Northrop Grumman Litef Gmbh).
Key specifications for 3TAL12-19SU-DF2: Retainer Fabrication Method: MOLDED; Bearing Preload Rating: 2.0 POUNDS NOMINAL LBS; Internal Clearance: 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN; Internal Fit-Up Designation: STANDARD. 16 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.