Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 60623-402 found under Installation Kit Shelter by Aar Manufacturing Inc. The National Stock Number assigned to this part is 5411016130620, and the Federal Supply Class is 5411 Rigid Wall Shelters. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 60623-402.