Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 063 000 160 ITEM 21 found under Screw Machine by Waukesha Bearings Corporation. The National Stock Number assigned to this part is 5305013853368, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 063 000 160 ITEM 21.