Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 99G5A-B PIECE 213A found under Screw Machine by Pentair Pump Group Inc. The National Stock Number assigned to this part is 5305013140844, 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 99G5A-B PIECE 213A.