McMaster 5344K24 Twist Claw Hose Coupling, Iron, 1 2 NPT Male End 390 1262 (1) 3 4 in Standard 6 Point (1) 3 4 in Standard 6 Point For Stud Size 1 4 in Warning: There is no valve in these couplings Water Shape Straight Type Adapter Flow Control Open Hose Connection Style Claw Claw Connection Type Twist Claw Pipe Connection Style Threaded Gender Male Pipe Size 1 2 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 11 16" Compatible With Dixon Air King Includes Safety Clip with Lanyard Country of Origin United States Schedule B Number 7307