Part Number: 114R2004-1 (Rotary wing head installation) Part Number: 114R2004-2 (Rotary wing head assembly) Part Number: 114R2004-3 (Rotary wing head assembly) Part Number: 114R2004-4 (Rotary wing head assembly) Part Number: 114R2004-5 (Rotary wing head assembly) Part Number: 114R2004-6 (Rotary wing head assembly) Part Number: 114R2012-1 (Droop stop assy.) Part Number: 114R2012-2 (Droop stop assembly) Part Number: 114R2012-3 (Droop stop assembly) Part Number: 114R2012-4 (Droop stop assembly) Part Number: 114R2012-5 (Droop stop assy.) Part Number: 114R2012-6 (Droop stop assembly) Part Number: 114R2012-7 (Droop stop assembly) Part Number: 114R2012-8 (Droop stop assembly)