McMaster 94895A029 SAE Grade 8 High Strength Steel Hex Nut, Pack of 100, Zinc Yellow Chromate Plated, 1 4" 20 Thread G0464685 01 Maximum Pressure Combustible 01 Maximum Pressure Combustible Gas Not Rated Handle Locking Locking Connection Type Side 2 NPT Connection Gender Side 1 Female Vacuum Service Rating 29 in Hg Operating Temperature Maximum 500 Degrees F Connection Type Side 1 NPT Maximum Pressure Steam 150 PSI WSP Valve Ways 2 Way Operating Temperature Minimum 20 Degrees F Connection Gender Side 2 Female 3 A Standard Compliance Not Rated Valve Series 70 17 64 in Titanium PILOT POINT(R) Hex Nut Profile Standard Fastener Strength Rating High Material Zinc Yellow Chromate Plated Steel Thread Size 1 4" 20 Width 7 16" Height 7 32" Fastener Strength Grade Class SAE Grade 8 Drive Style External Hex Nut Type Hex Performance High Strength System of Measurement Inch Thread Direction Right Hand Thread Fit Unified Standard Class 2B Thread Spacing Coarse Thread Type UNC Pack Size 100 per pack Country of Origin Canada DFARS Compliance Specialty Metals Compliant (252 SAE Grade 8 high strength steel hex nut with zinc yellow chromate plating for corrosion resistance in wet and outdoor environments