Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS-63TF8 found under Nrp Valve Ball A107 by L3 Services Llc. The National Stock Number assigned to this part is 1680016447206, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SS-63TF8.