Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PMS51957002-01 found under Screw Machine by Program Manager Advanced Attack. The National Stock Number assigned to this part is 5305012702947, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PMS51957002-01.