Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A105503 0 400 042 E IT21 found under Pin Straight Headle by Lips Proptech B V. The National Stock Number assigned to this part is 5315014263099, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A105503 0 400 042 E IT21.