Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J2972-174K-250 1.5K-613A found under Filter Low Pass by T T E Incorporated. The National Stock Number assigned to this part is 5915013765347, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like J2972-174K-250 1.5K-613A.