Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K631438-23 found under Track Seat Aircraft by Kaman Aerospace Corporation. The National Stock Number assigned to this part is 1680004055254, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K631438-23.