The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-028-4470, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-028-4470 |
| Primary Part Number | 203-034-0001 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Bearing Preload Rating | 3.0 POUNDS NOMINAL LBS |
| Surface Finish | UNGROUND |
| Shield Quantity | 1 |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, TANDEM MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 1.1871 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN |
| Features Provided | ALIGNING RING |
| Load Direction | ANGULAR |
| Bore Diameter | 0.7498 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Material | STEEL COMP 440A BALL A |
| Material | GREASE LUBRICATION |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL CORROSION RESISTING SHIELD |
| Lubrication Material Document and Classification | MIL-G-23827 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 |
|---|---|
| 203-034-0001 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| 203-034-0001 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3110-01-028-4470 is a Bearing,ball,duplex, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-028-4470 has 1 manufacturer part number on file: 203-034-0001 (Mpb Corporation Dba Mpb Corp).
Key specifications for 203-034-0001: Bearing Preload Rating: 3.0 POUNDS NOMINAL LBS; Surface Finish: UNGROUND; Shield Quantity: 1; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, TANDEM MOUNTING. 14 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.