Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 280-0137 found under Bracket Reel Valve Support by Crash Rescue Equipment Service. The National Stock Number assigned to this part is 5340015060423, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 280-0137.