The Bearing,ball,thrust, cataloged under National Stock Number 3110-01-123-2865, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Fag Bearings Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-123-2865 |
| Primary Part Number | 51111 |
| Item Name | Bearing,ball,thrust |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Fag Bearings Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Surface Finish | GROUND |
| Style Designator | GROOVED RACE SURFACE |
| Thrust Directional Capability Designation | SINGLE |
| Overall Outside Diameter | 78.00 MILLIMETERS NOMINAL MM |
| Bore Smallest Diameter | 55.00 MILLIMETERS NOMINAL MM |
| Alignment Type | RIGID |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR THRUST BEARINGS |
| 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 |
|---|---|
| 51111 PRIMARY | Fag Bearings Corporation (USA) |
| Reference | Meaning |
|---|---|
| 21-300002 | C/1 Advisory reference — outside the item-of-supply concept Crosby Valve Ltd |
NSN 3110-01-123-2865 is a Bearing,ball,thrust, manufactured by Fag Bearings Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-123-2865 has 1 manufacturer part number on file: 51111 (Fag Bearings Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-533-4198. Verify interchangeability with system specifications before substitution.
Key specifications for 51111: Retainer Fabrication Method: PRESSED; Overall Height: 16.00 MILLIMETERS NOMINAL MM; Surface Finish: GROUND; Style Designator: GROOVED RACE SURFACE. 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.