Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 87M67-1001 ITEM 20 found under Knob by Electric Boat Corporation. The National Stock Number assigned to this part is 5355011744512, 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 87M67-1001 ITEM 20.