The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-377-1058, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-377-1058 |
| Primary Part Number | S2226M5DB13/17 |
| 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 | NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Overall Outside Diameter | 1.6246 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN |
| Contact Angle | 14.0 DEGREES NOMINAL |
| Load Direction | ANGULAR |
| Bore Diameter | 1.3747 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP 440C BALL |
| 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 |
|---|---|
| S2226M5DB13/17 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| A311A061-101 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3110-01-377-1058 is a Bearing,ball,duplex, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-377-1058 has 1 manufacturer part number on file: S2226M5DB13/17 (Mpb Corporation Dba Mpb Corp).
Key specifications for S2226M5DB13/17: Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING; Overall Width: 0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Overall Outside Diameter: 1.6246 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN. 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.