Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C10190040 ITEM2 found under Valve Fire Extinguisher by Chemetron Fire Systems. The National Stock Number assigned to this part is 4210015144446, 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 C10190040 ITEM2.