Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K5010543-11 found under Hose Assembly Nonmetallic by Kaman Aerospace Corporation. The National Stock Number assigned to this part is 4720001655343, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K5010543-11.