0318 Steel JIC Tube Nut SAE J514 070110 Check Part Number TUBE OD B UN/UNF-2B L1 C Aeroquip # Parker # 0318-02 1/8 5/16-24 0.54 0.38 1290-2S 2 BTX-S 0318-03 3/16 3/8-24 0.60 0.44 1290-3S 3 BTX-S 0318-04 1/4 7/16-20 0.61 0.56 1290-4S 4 BTX-S 0318-05 5/16 1/2-20 0.67 0.63 1290-5S 5 BTX-S 0318-06 3/8 9/16-18 0.72 0.69 1290-6S 6 BTX-S 0318-08 1/2 3/4-16 0.84 0.88 1290-8S 8 BTX-S 0318-10 5/8 7/8-14 0.97 1.00 1290-10S 10 BTX-S 0318-12 3/4 1 1/16-12 1.02 1.25 1290-12S 12 BTX-S 0318-14 7/8 1 3/16-12 1.08 1.38 1290-14S 14 BTX-S 0318-16 1 1 5/16-12 1.12 1.50 1290-16S 16 BTX-S 0318-20 1 1/4 1 5/8-12 1.22 2.00 1290-20S 20 BTX-S 0318-24 1 1/2 1 7/8-12 1.42 2.25 1290-24S 24 BTX-S 0318-32 2 2 1/2-12 1.74 2.88 1290-32 32 BTX-S 0318-40 2 1/2 3-12 1.63 3.50 1290-40S 40 BTX-S