3040-00-516-1105 (2-404-825-20611)
NSN 3040-00-516-1105 (NIIN 00-516-1105) is a splined hub in Federal Supply Class 3040, Miscellaneous Power Transmission Equipment. Manufacturer part number 2-404-825-20611 (Rockford Powertrain Inc, CAGE 77873); also referenced as 2-20611, CL11583-1 (Rockford Powertrain Inc).
NIIN assigned August 1974; DEMIL A (none required); unit of issue EA (each), $15.89 gov standard price; ships at 0.56 lb / 0.005 cu ft.