Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 123P11600-5 found under Fireseal Assembly Engine by B H Aircraft Company Inc. The National Stock Number assigned to this part is 1560000666332, 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 123P11600-5.