Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LS3-4-4-4 found under Fairlead Tubular by Lande Products Co. The National Stock Number assigned to this part is 5342004883936, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LS3-4-4-4.