Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20-05018 found under Spst Pxi 2569 100 by Texas Mgt Associates Inc. The National Stock Number assigned to this part is 4920015657933, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 20-05018.