50620: BEARING,ROLLER,NEEDLE.
This giant two-level tractor-trailer comes stocked with four wooden emergency vehicles and delivers unlimited play possibilities! Lower the upper deck to extend the truck to nearly two feet long and to allow the vehicles to roll off and race to the rescue. There’s a helicopter with rotating blade, a fire engine, police car, and ambulance, so kids can respond to any imaginative emergency.
Classic design and sturdy construction is sure to last through years of hands-on play, and smoothly moving parts help kids three and older develop fine motor skills, movement, and hand-eye coordination. This part is cataloged in the U.S. Government catalog under NSN 3110-00-227-2797, indicating validated use in U.S.
government and defense logistics supply chains.
| material | STEEL CORROSION RESISTING OVERALL |
| thread_class | 3A ALL ENDS A |
| bore_diameter | 1.3750 INCHES NOMINAL IN |
| alignment_type | RIGID |
| surface_finish | GROUND |
| connection_type | THREADED EXTERNAL TUBE ALL ENDS |
| inner_ring_width | 1.2500 INCHES NOMINAL IN |
| outer_ring_width | 1.2500 INCHES NOMINAL IN |
| special_features | OIL HOLE AND GROVE INNER RING |
| style_designator | NON-SEPARABLE, WITH RETAINER PLATES, DRAWN SHELL |
| surface_treatment | PASSIVATE OVERALL |
| nominal_thread_size | 0.437 INCHES ALL ENDS IN |
| NSN | 3110-00-227-2797 |
| RETAINER FABRICATION METHOD | PRESSED |
| LUBRICATION MATERIAL | GREASE |
| OUTER RING WIDTH | 1.2500 INCHES NOMINAL IN |
| SURFACE FINISH | GROUND |
| STYLE DESIGNATOR | NON-SEPARABLE, WITH RETAINER PLATES, DRAWN SHELL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7420 MIL SPEC 1ST MATERIAL RESPONSE OR 66 FED STD 1ST MATERIAL RESPONSE OR MIL-S-8690 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7493 MIL SPEC 3RD MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-633 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE OR 66 FED STD 5TH MATERIAL RESPONSE OVERALL |
| OVERALL OUTSIDE DIAMETER | 1.8750 INCHES NOMINAL IN |
| ALIGNMENT TYPE | RIGID |
| SPECIAL FEATURES | OIL HOLE AND GROVE INNER RING |
| SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |