Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PMB1216-H-1 found under Screw Assembled Washer by Fastbolt Corp. The National Stock Number assigned to this part is 5305013479543, 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 PMB1216-H-1.