Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 299932 ITEM 4 found under Screw Cap Socket He by Oil States Industries Inc. The National Stock Number assigned to this part is 5305011789565, 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 299932 ITEM 4.