Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TK916-4-72H found under Bolt Shear by Deutsch Engineered. The National Stock Number assigned to this part is 5306003513893, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TK916-4-72H.