The Bearing,ball,annular, cataloged under National Stock Number 3110-01-388-6301, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-388-6301 |
| Primary Part Number | 5HTH207-189 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Precious Material | SILVER |
| Style Designator | NON-LOADING GROOVE, SPLIT INNER RING, SEPARABLE |
| Overall Outside Diameter | 72.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | ANGULAR |
| Bore Diameter | 35.0 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP M50 OVERALL |
| 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 |
|---|---|
| 5HTH207-189 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| V310551 PRIMARY | Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines (USA) |
| Reference | Meaning |
|---|---|
| V310795 | 7/2 Vendor item drawing reference Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines |
| SBGR-207SD605MXA5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-388-6301 is a Bearing,ball,annular, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-388-6301 has 2 manufacturer part numbers on file: 5HTH207-189 (Mpb Corporation Dba Mpb Corp), V310551 (Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines).
Key specifications for 5HTH207-189: Surface Finish: GROUND; Precious Material: SILVER; Style Designator: NON-LOADING GROOVE, SPLIT INNER RING, SEPARABLE; Overall Width: 17.0 MILLIMETERS NOMINAL MM. 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.