Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HP1441112 1 found under Retainer Helical Compression Spring by Tactair Fluid Controls Inc. The National Stock Number assigned to this part is 5340012150222, 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 HP1441112 1.