Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1001-0039 ITEM 12 found under Push Button by Mcl Industries Inc. The National Stock Number assigned to this part is 5930015228092, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1001-0039 ITEM 12.