Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 18639F005 found under Housing Cylinder Pn by Myers F E Co. The National Stock Number assigned to this part is 3040015515793, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 18639F005.