The Bearing,ball,bell Crank, cataloged under National Stock Number 3110-01-601-4258, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-601-4258 |
| Primary Part Number | 6494K43 |
| Item Name | Bearing,ball,bell Crank |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Outer Ring Width | 1.0625 INCHES NOMINAL IN |
| Flange Outside Diameter | 5.125 INCHES NOMINAL IN |
| Rivet Hole Quantity | 2 |
| Style Designator | DOUBLE ROW BALL, DOUBLE CLOSURE, RIGID INNER RING EXTENDED BOTH SIDES |
| Distance Between Flange Hole Centers | 3.8906 INCHES NOMINAL IN |
| Flange Width | 0.50 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 0.46875 INCHES NOMINAL IN |
| Rivet Hole Diameter | 0.46875 INCHES NOMINAL IN |
| Bore Diameter | 1.0 INCHES NOMINAL IN |
| Material | STEEL BALL |
| Material | NICKEL EXPOSED SURFACES AS MOUNTED |
| Inner Ring Width | 0.40625 INCHES NOMINAL IN |
| 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 |
|---|---|
| 6494K43 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 3110-01-601-4258 is a Bearing,ball,bell Crank, manufactured by Mcmaster-Carr Supply Co, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-601-4258 has 1 manufacturer part number on file: 6494K43 (Mcmaster-Carr Supply Co).
Key specifications for 6494K43: Outer Ring Width: 1.0625 INCHES NOMINAL IN; Flange Outside Diameter: 5.125 INCHES NOMINAL IN; Rivet Hole Quantity: 2; Style Designator: DOUBLE ROW BALL, DOUBLE CLOSURE, RIGID INNER RING EXTENDED BOTH SIDES. 12 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.