Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KCFW-6-0-38-90-RB found under by Wilson Cook Medical Inc. The National Stock Number assigned to this part is 6515016562651, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KCFW-6-0-38-90-RB.