The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-043-0083, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-043-0083 |
| Primary Part Number | B303ZDDC |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Surface Finish | GROUND |
| Overall Outside Diameter | 0.3904 INCHES MINIMUM AND 0.3906 INCHES MAXIMUM IN |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.9 |
| Bore Diameter | 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Material | GREASE LUBRICATION |
| Calibration Designator | CDC |
| Lubrication Material Document and Classification | AS-2985,FSCM 30003 MFR REF 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 |
|---|---|
| 2192628-15 D-C | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| B303ZDDC PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 2192628-15 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 4117JDC | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-043-0083 is a Bearing,ball,duplex, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-043-0083 has 2 manufacturer part numbers on file: 2192628-15 D-C (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), B303ZDDC (Mpb Corp Div Timken Super Precision).
Key specifications for B303ZDDC: Retainer Fabrication Method: PRESSED; Surface Finish: GROUND; Overall Outside Diameter: 0.3904 INCHES MINIMUM AND 0.3906 INCHES MAXIMUM IN; Load Direction: RADIAL. 10 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.