Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 175-006 found under Screw Cap Hexagon H by Dorman Products Inc. The National Stock Number assigned to this part is 5305011939583, 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 175-006.