The Bearing,ball,thrust, cataloged under National Stock Number 3110-01-299-7668, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Nsk Corp Bearing Div. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-299-7668 |
| Primary Part Number | 28TAG12F |
| Item Name | Bearing,ball,thrust |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Nsk Corp Bearing Div |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Surface Finish | GROUND |
| Style Designator | FLAT RACE SURFACE, IN LINE BALL RETAINER |
| Thrust Directional Capability Designation | SINGLE |
| Overall Outside Diameter | 51.350 MILLIMETERS MINIMUM AND 51.850 MILLIMETERS MAXIMUM MM |
| Bore Smallest Diameter | 28.000 MILLIMETERS MINIMUM AND 28.200 MILLIMETERS MAXIMUM MM |
| Alignment Type | RIGID |
| Largest Bore Diameter | 28.50 MILLIMETERS NOMINAL MM |
| Material | STEEL 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 |
|---|---|
| 9144305600 | Mitsubishi Heavy Industries, Ltd. (JPN) |
| 28TAG12F PRIMARY | Nsk Corp Bearing Div (USA) |
| Reference | Meaning |
|---|---|
| 9144305600 | 5/9 Secondary reference Machinery Distribution Inc |
| 9144305600 | 5/9 Secondary reference Mitsubishi Heavy Industries Reorganized |
NSN 3110-01-299-7668 is a Bearing,ball,thrust, manufactured by Nsk Corp Bearing Div, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-299-7668 has 2 manufacturer part numbers on file: 9144305600 (Mitsubishi Heavy Industries, Ltd.), 28TAG12F (Nsk Corp Bearing Div).
Key specifications for 28TAG12F: Retainer Fabrication Method: PRESSED; Overall Height: 15.550 MILLIMETERS MINIMUM AND 16.050 MILLIMETERS MAXIMUM MM; Surface Finish: GROUND; Style Designator: FLAT RACE SURFACE, IN LINE BALL RETAINER. 9 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.