McMaster 44705K922 Low Pressure 6061 Aluminum Pipe Adapter, 1 1 4 NPT Female x Butt Weld, Class 150 (sub for 44705K322 — NOT MIL DTL 52618 certified) 722301511725 9 16 in Hollow Shaft Nut 9 16 in Hollow Shaft Nut Drivers Tool Kit Product Grouping Tool Kits Inspection and Retrieving Tools Included None Putty Knives and Scrapers Included None Miscellaneous Tools Included None Series PACKOUT Measurement Type SAE Insulated Uninsulated Non Sparking No Measuring and Testing Tools Included (1) Tape Measure (1) Level HVAC Tools Included None Drivers and Bits Included In Set Hex Keys Water Performance Corrosion Resistant Specifications Met ASME B1 234" Threading Threaded on One End Construction (B) Welded For Pipe Schedule 40 For Use With Air