Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PKR 1 8 YEL found under Marker Assortmenttube Type by Tempil Inc. The National Stock Number assigned to this part is 7520014675121, 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 PKR 1 8 YEL.