Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 87791-4602 ITEM 22 found under Knob by Electric Boat Corporation. The National Stock Number assigned to this part is 5355011642360, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 87791-4602 ITEM 22.