Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K19 AS00000354 found under Holder Key by M A Com Inc. The National Stock Number assigned to this part is 5340014695967, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K19 AS00000354.