Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TRI-MAX 30 found under Extinguisher Fire by Crash Rescue Equipment Service. The National Stock Number assigned to this part is 4210014293863, and the Federal Supply Class is 4210 Firefighting Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TRI-MAX 30.