FF2403-O Steel Male ORFS x Male ORFS Tube Union Check Part Number TUBE OD d(1) UN/UNF-2A d(2) UN/UNF-2A L6 S1 d1(1) d1(2) Parker # Aeroquip # FF2403-04-04-O 1/4-1/4 9/16-18 9/16-18 1.08 0.63 0.17 0.17 4 HLO-S FF2000T0404S FF2403-06-04-O 3/8-1/4 11/16-16 9/16-18 1.17 0.75 0.26 0.17 6-4 HLO-S FF2000T0604S FF2403-06-06-O 3/8-3/8 11/16-16 11/16-16 1.22 0.75 0.26 0.26 6 HLO-S FF2000T0606S FF2403-08-06-O 1/2-3/8 13/16-16 11/16-16 1.33 0.88 0.38 0.26 8-6 HLO-S FF2000T0806S FF2403-08-08-O 1/2-1/2 13/16-16 13/16-16 1.39 0.88 0.38 0.38 8 HLO-S FF2000T0808S FF2403-10-08-O 5/8-1/2 1-14 13/16-16 1.57 1.06 0.48 0.38 10-8 HLO-S FF2000T1008S FF2403-10-10-O 5/8-5/8 1-14 1-14 1.68 1.06 0.48 0.48 10 HLO-S FF2000T1010S FF2403-12-08-O 3/4-1/2 1 3/16-12 13/16-16 1.69 1.25 0.61 0.38 12-8 HLO-S FF2000T1208S FF2403-12-10-O 3/4-5/8 1 3/16-12 1-14 1.80 1.25 0.61 0.48 12-10 HLO-S FF2000T1210S FF2403-12-12-O 3/4-3/4 1 3/16-12 1 3/16-12 1.86 1.25 0.61 0.61 12 HLO-S FF2000T1212S FF2403-16-12-O 1-3/4 1 7/16-12 1 3/16-12 1.92 1.50 0.81 0.61 16-12 HLO-S FF2000T1612S FF2403-16-16-O 1-1 1 7/16-12 1 7/16-12 1.94 1.50 0.81 0.81 16 HLO-S FF2000T1616S FF2403-20-16-O 1 1/4-1 1 11/16-12 1 7/16-12 2.02 1.75 1.02 0.81 20-16 HLO-S FF2000T2016S FF2403-20-20-O 1 1/4-1 1/4 1 11/16-12 1 11/16-12 2.02 1.75 1.02 1.02 20 HLO-S FF2000T2020S FF2403-24-24-O 1 1/2-1 1/2 2-12 2-12 2.09 2.13 1.26 1.26 24 HLO-S FF2000T2424S