Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 44576 REV 3 ITEM 43739 found under Spring Helical Comp by Tyco Fire Products Lp. The National Stock Number assigned to this part is 5360014265374, and the Federal Supply Class is 5360 Coil Flat Leaf And Wire Springs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 44576 REV 3 ITEM 43739.