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Product Specification Guide and Ordering Information for Regulator Inlet Nuts and Nipples

Western offers nuts and nipples in a variety of materials and styles to fit a full range of gas service requirements.
CGA Regulator Inlet Nuts and Nipples
Unit of Measure
Items Regulator Inlet Nut (305-2)
305-2
Up to 500 psig Pressure 1/8 Inch (in) Thread Size Nut
Up to 500 psig Pressure 0.628 Inch (in) - 20 Thread Size Nipple
305-3A
Up to 500 psig Pressure 0.628 Inch (in) - 20 Thread Size Nipple
Up to 500 psig Pressure Stainless Steel Nipple Assembly
SS-24-3
Up to 500 psig Pressure Stainless Steel Nipple Assembly
Up to 3000 psig Pressure 0.750 Inch (in) - 14 Thread Size Female National Gas Outlet (NGO) Thread Type Brass Material Nut
284
Up to 3000 psig Pressure 0.750 Inch (in) - 14 Thread Size Female National Gas Outlet (NGO) Thread Type Brass Material Nut
Up to 3000 psig Pressure Brass Nipple
283
Up to 3000 psig Pressure Brass Nipple
Description N/A Product Specification Guide and Ordering Information for Regulator Inlet Nuts and Nipples

Western offers nuts and nipples in a variety of materials and styles to fit a full range of gas service requirements.
Field N/A Industrial
Gas Service N/A MC Tank Acetylene CGA-200 N/A MC Tank Acetylene CGA-200 N/A Ammonia CGA-240 N/A Medical Breathing Mixtures CGA-280 N/A Medical Breathing Mixtures CGA-280
Pressure Rating N/A Up to 500 psig N/A Up to 500 psig N/A Up to 500 psig N/A Up to 3000 psig N/A Up to 3000 psig
Material N/A Brass N/A Brass N/A Stainless Steel N/A Brass N/A Brass
Grip Material N/A
Thread Size N/A N/A 1/8 in N/A 1/4 in N/A N/A 1/4 in
Threading N/A 0.628 in. - 20 Female National Gas Outlet (NGO) Right Hand (RH) N/A N/A N/A 0.750 in. - 14 Female National Gas Outlet (NGO) N/A
Thread Type N/A N/A National Pipe Thread (NPT) N/A National Pipe Thread (NPT) N/A N/A National Pipe Thread (NPT)
Thread Direction N/A N/A N/A N/A Right Hand (RH) N/A
Outer Diameter N/A
Number of Threads N/A
Length N/A N/A 1.250 in N/A N/A N/A 2 in
Additional Information N/A Five different types of nut/nipple combinations are available:
  • Brass nut and nipple
  • Stainless steel nut and nipple
  • Nut and nipple with check valve
  • Nut and nipple recessed for tubing
  • Hand tight nut and nipple
Warning N/A This product can expose you to lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. N/A This product can expose you to lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. N/A This product can expose you to chromium (hexavalent compounds), which is known to the State of California to cause cancer and birth defects or other reproductive harm. N/A This product can expose you to lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. N/A This product can expose you to lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.
Note N/A Please note that all types may not be available for certain gas services.