Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 033 5 16 18X38 SET found under Setscrew by Freeman Marine Equipment Inc. The National Stock Number assigned to this part is 5305015488254, 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 033 5 16 18X38 SET.