Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4J13580-701B found under Fitting Structural Component Air by K And K Precision Manufacturing Inc. The National Stock Number assigned to this part is 1560013283245, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4J13580-701B.