Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N2600 found under Proportioner Foam Liquid Line Ty by Halprin Supply Co. The National Stock Number assigned to this part is 4210008495938, 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 N2600.