McMaster 5344K31 Twist Claw Hose Coupling, Iron, 3 4 NPT Female End 2UKA9 Mitutoyo 184 302S Thickness Gage Mitutoyo 184 302S Thickness Gage They can handle higher pressures than 45° flared fittings Warning: There is no valve in these couplings Water Shape Straight Type Adapter Flow Control Open Connection Style Claw Claw Connection Type Twist Claw Connection Style Threaded Gender Female Pipe Size 3 4 Thread Type NPT Material Zinc Plated Iron Gasket Material SBR Rubber Maximum Pressure 150 psi @ 72° F Maximum Vacuum Not Rated Vacuum Rating Standard Temperature Range 20° to 160° F Length 2 1 2" Compatible With Dixon Air King Includes Safety Clip with Lanyard RoHS RoHS 3 (2015 863 EU) compliant with exemption 6(c) Lead in copper alloy REACH Not Compliant DFARS Specialty Metals COTS Exempt Country of Origin United States USMCA Qualifying No Schedule B 730799