McMaster 51205K643 Extreme Pressure 316 Stainless Steel Pipe Fitting Bushing Adapter, 1 1 2 NPT Male x 1 1 4 NPT Female 91251A242 Reliability Duty Cycle Air Reliability Duty Cycle Air Tools General Duty Retainer Type Air Impacts Ring Blows per Minute Air Tools 1000 Required Pressure 90 psi Average CFM @ 15 Second Run Time 9 502 Rescue Mode Lower Bushing Body Shape Hex Material 316 Stainless Steel Fabrication Machined Connection Type Pipe Connection Style Threaded Connection NPT Male × NPT Female Pipe Size (A) 1 1 2 Pipe Size (B) 1 1 4 Dash Size (A) 24 Dash Size (B) 20 Length 1 37 64" Hex Width 2" Maximum Pressure 2 400 psi @ 200° F Specifications Met SAE J514 Certificate Material Certificate with Traceable Lot Number RoHS RoHS 3 (2015 863 EU) Compliant REACH Not Compliant DFARS Specialty Metals COTS Exempt Country of Origin United States USMCA Qualifying Yes Schedule B 730729