The Ring,bearing,inner, cataloged under National Stock Number 3110-00-654-1543, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is General Electric Company. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-654-1543 |
| Primary Part Number | 645A179PC14 |
| Item Name | Ring,bearing,inner |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE |
| Overall Outside Diameter | 2.0000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| Bore Diameter | 1.5625 INCHES NOMINAL IN |
| 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 |
|---|---|
| 645A179PC14 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| MI25 | 5/9 Secondary reference Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. |
| MI25 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-00-654-1543 is a Ring,bearing,inner, manufactured by General Electric Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-654-1543 has 1 manufacturer part number on file: 645A179PC14 (General Electric Company).
Key specifications for 645A179PC14: Surface Finish: GROUND; Style Designator: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE; Overall Width: 1.2500 INCHES NOMINAL IN; Overall Outside Diameter: 2.0000 INCHES NOMINAL IN. 7 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.