FF0306 Steel ORFS Bulkhead Lock Nut Check Part Number TUBE OD d UN/UNF-2B h2 S4 Parker # Aeroquip # FF0306-04 1/4 9/16-18 0.27 0.81 4 WLNL-S FF9768-04S FF0306-06 3/8 11/16-16 0.31 1.00 6 WLNL-S FF9768-06S FF0306-08 1/2 13/16-16 0.35 1.13 8 WLNL-S FF9768-08S FF0306-10 5/8 1-14 0.41 1.31 10 WLNL-S FF9768-10S FF0306-12 3/4 1 3/16-12 0.41 1.50 12 WLNL-S FF9768-12S FF0306-16 1 1 7/16-12 0.41 1.75 16 WLNL-S FF9768-16S FF0306-20 1 1/4 1 11/16-12 0.41 2.00 20 WLNL-S FF9768-20S FF0306-24 1 1/2 2-12 0.41 2.38 24 WLNL-S FF9768-24S
