4320-01-020-7219

1963 5360-01-075-0907 Compression Helical Spring 812310RNCC: 3 | RNVC: 9 | DAC: 5 13 Apr 1979 4320-01-020-7219

3020-00-880-0470 3020008800470 008800470 is a gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. see also gear, antibacklash, spur. for bulk material, see rod, pinion.

1355-21-880-0470 1355218800470 218800470

3810-00-880-0471 3810008800471 008800471 is a crane, consisting of a full revolving superstructure complete with boom and mounted on a heavy duty, self-propelled truck or truck chassis suitable for highway travel. it is primarily designed for weight lifting operations. the crane is self-powered or may derive its mobile power from the power unit of the truck chassis in connection with a hydraulic system. the crane is not convertible to shovel or backhoe operations. for truck mounted cranes convertible to shovel and backhoe operations in addition to performing weight lifting operations, see crane-shovel, truck mounted. for items specifically designed for the recovery of disabled vehicles and equipment, see truck, wrecker.

1355-21-880-0471 1355218800471 218800471 is a shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. it must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. the ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. it is not designed for use in aligning by fitting into corresponding holes of another item. for items used to support rotating members see axle(1), shouldered. for items not having any of the above conditions see pin, shoulder, headless. excludes shaft(1), straight; and axle(1), straight.