Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6887 found under Gearshaft Helical by Rexnord Llc Div Falk Gear Group. The National Stock Number assigned to this part is 3040003371018, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6887.