Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 117899-1 LEFT HAND THREADS found under Switch Pressure by Transtechnology Corp. The National Stock Number assigned to this part is 5930013385397, 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 117899-1 LEFT HAND THREADS.