Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17-126-1-50IN found under by Kidde Aerospace. The National Stock Number assigned to this part is 4210013858933, 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 17-126-1-50IN.