McMaster 4452K226 316 Stainless Steel Threaded Pipe Fitting Low Pressure, Union Straight Connector, 3 4 NPT Female J15072 ASTM D5587 Series Tychem 10000 ASTM D5587 Series Tychem 10000 Level A Inseam 32 in Special Features Face Shield Chemical Resistant Glove Material Neoprene Fabric Weight 12 oz sq yd Cuff Style Attached Glove Thickness 28 mil Features Vapor Tight Zipper Type Chemical Resistant Retainer Type Hole Blows per Minute 850 Style D Handle 0000 ECCN 2B999 Union Body Shape Octagon Material 316 Stainless Steel Pressure Class 150 Fabrication Heat Treated Connection Type Pipe Connection Style Threaded Connection NPT Female Pipe Size 3 4 Length 1 63 64" Hex Width 1 15 16" For Pipe – Schedule 40 For Pipe – Material 316 Stainless Steel