Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 44B3521-446A found under Rod Straight Headless by Carrier Corporation. The National Stock Number assigned to this part is 5340011763956, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 44B3521-446A.