Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 21375 found under Mounting Bar Connec by Smiths Aerospace Inc. The National Stock Number assigned to this part is 7035010958279, and the Federal Supply Class is 7035 Adp Support Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 21375.