Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NS-3983ASSYA PC2 found under Lid Plate by Tyco Valves And Controls Lp. The National Stock Number assigned to this part is 7350010908398, 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 NS-3983ASSYA PC2.