Aviall Product Catalog And Source Book Page 157 Hardware, Hose & Fittings

SYMETRICS COUPLINGS aviall.com aviall ability 157 THREAD-LOK COUPLINGS Stainless Steel Couplings Nipple Coupler CRES Tube Basic Basic B E F G H J Nipple Size Part No. Part No. A Max C D Max Hex Hex Max Max Wt. Wt. 1 /4" 155504 155004 1.70 1.09 0.89 1.00 0.69 0.688 0.875 1.95 2.65 0.09 lbs. 0.17 lbs. (41g) (77g) 3 /8" 155506 155006 1.70 1.28 0.89 1.13 0.82 0.813 1.000 1.95 2.65 0.13 lbs. 0.23 lbs. (59g) (104g) 1 /2" 155508 155008 1.90 1.34 1.00 1.31 1.01 1.000 1.125 2.15 2.96 0.19 lbs. 0.39 lbs. (86g) (177g) 5 /8" 155510 155010 2.10 1.41 1.15 1.44 1.13 1.125 1.250 2.35 3.31 0.27 lbs. 0.52 lbs. (122g) (236g) 3 /4" 155512 155012 2.25 1.78 1.40 1.63 1.26 1.375 1.500 2.53 3.71 0.39 lbs. 0.65 lbs. (177g) (295g) 1" 155516 155016 2.40 2.03 1.60 2.00 1.63 1.625 1.750 2.72 4.06 0.54 lbs. 0.89 lbs. (244g) (404g) Table of Coupling Operating Characteristics Nipple Coupler Max. Tube Basic Basic Operating Max. Pressure Flow Fluid Max. Air CRES CRES Size Part No. Part No. Pressure During Coupling Rated Loss Inclusion Nipple Weight Coupler Weight 1 /4"* 155504 155004 4000 psi 400 psi 1.20 gpm 0.002 cc 0.005 cc 0.09 lbs. 0.17 lbs. (281 kg/cm 2 ) (28 kg/cm 2 ) (4.5 lpm) (41 g) (77 g) 3 /8"* 155506 155006 4000 psi 200 psi 3.50 gpm 0.003 cc 0.005 cc 0.13 lbs. 0.23 lbs. (281 kg/cm 2 ) (14 kg/cm 2 ) (13.2 lpm) (59 g) (104 g) 1 /2" 155508 155008 4000 psi 120 psi 6.00 gpm 0.004 cc 0.006 cc 0.19 lbs. 0.39 lbs. (281 kg/cm 2 ) (8.4 kg/cm 2 ) (22.7 lpm) (86 g) (177 g) 5 /8" 155510 155010 4000 psi 100 psi 10.50 gpm 0.004 cc 0.008 cc 0.27 lbs. 0.52 lbs. (281 kg/cm 2 ) (7 kg/cm 2 ) (39.7 lpm) (122 g) (236 g) 3 /4" 155512 155012 4000 psi 60 psi 16.00 gpm 0.004 cc 0.008 cc 0.39 lbs. 0.65 lbs. (281 kg/cm 2 ) (4 kg/cm 2 ) (60.5 lpm) (177 g) (295 g) 1" 155516 155016 4000 psi 30 psi 29.00 gpm 0.008 cc 0.01 cc 0.54 lbs. 0.89 lbs. (281 kg/cm 2 ) (2 kg/cm 2 ) (109.7 lpm) (244 g) (404 g) Note: weights are provided for couplings with SAE standard AS4395 end fittings or equivalent tube size Coupler Nipple Length Required to couple and uncouple

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