FF0318 Steel ORFS Tube Nut Check Part Number TUBE OD d UN/UNF-2B h S Parker # Aeroquip # FF0318-04 1/4 9/16-18 0.58 0.69 4 BL-S FC2326-04S FF0318-06 3/8 11/16-16 0.67 0.81 6 BL-S FC2326-06S FF0318-08 1/2 13/16-16 0.83 0.94 8 BL-S FC2326-08S FF0318-10 5/8 1-14 0.93 1.13 10 BL-S FC2326-10S FF0318-12 3/4 1 3/16-12 1.02 1.38 12 BL-S FC2326-12S FF0318-16 1 1 7/16-12 1.10 1.63 16 BL-S FC2326-16S FF0318-20 1 1/4 1 11/16-12 1.10 1.88 20 BL-S FC2326-20S FF0318-24 1 1/2 2-12 1.10 2.25 24 BL-S FC2326-24S FF0318-32 2 2 1/2-12 1.30 2.88 32 BL-S FC2326-32S
