The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-031-8534, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-031-8534 |
| Primary Part Number | 2192628-4 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Surface Finish | GROUND |
| 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 |
| 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 |
|---|---|
| B303-882 AD | Mpb Corp Div Timken Super Precision (USA) |
| 2192628-4 A-D | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 2192628-4 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 4117JAD | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-031-8534 is a Bearing,ball,duplex, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-031-8534 has 3 manufacturer part numbers on file: B303-882 AD (Mpb Corp Div Timken Super Precision), 2192628-4 A-D (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 2192628-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 2192628-4: Retainer Fabrication Method: PRESSED; Surface Finish: GROUND; Load Direction: RADIAL; Standard Tolerance Designation: ABEC NO.9. 8 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.