Bulkhead Locknut Application Air Natural Gas Non-Potable Water Potable Water Steam Fitting Material Stainless Steel Material Grade 316 Maximum Operating Pressure 5 800 psi Maximum Operating Temperature 1 200 Degrees F Overall Length 11/32 in Thread Size 1-20 Specific Fitting Shape Bulkhead Locknut System of Measurement Imperial Compatible Fitting Brands Swagelok Standards ASTM 31.3 Fitting Connection Type Compression Hex Size 1 3/16 in