Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 88-838 found under Rubber Round Section by Vapor Blast Manufacturing Co. The National Stock Number assigned to this part is 9320013453349, and the Federal Supply Class is 9320 Rubber Fabricated Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 88-838.