Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL491-02-010 LINE ITEM 39 found under Switch Rotary by Kraus And Naimer Inc. The National Stock Number assigned to this part is 5930015720314, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PL491-02-010 LINE ITEM 39.