Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 87S38-0301 SHEET58 ITEM 29 found under Plate Instruction by Electric Boat Corporation. The National Stock Number assigned to this part is 9905011319168, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 87S38-0301 SHEET58 ITEM 29.