McMaster 98381A669 Dowel Pin, Pack of 10, Alloy Steel, 7 16" Diameter, 1" Long 2XJ97 35 Degrees to 150 Degrees 35 Degrees to 150 Degrees F Visual Indicator Type No Visual Indicator Hazardous Class I Power Source Wire Includes Stainless Steel Diaphragms Alarm Type Audible Input Voltage 120 V AC Features Corrosion Resistant Vibrating Horns Rating NEMA 4X Product Type Horn Material Aluminum For Location Indoor Control Protocol Direct Wire Sound Continuity Continuous Alarm Volume @ 10 ft Maximum 100 dBA Sound Style Horn Volume Selection Fixed Volume Connection Type Wire Leads For Hazardous Location Class I 100 Grade B Sensor Material Bronze Secondary Scale Units kPa Freeze Resistant Movement No Includes Vent Plug Yes Vibration Resistance Liquid Filled Non Sparking No Field Fillable No Includes Calibration Certificate No Primary Scale Numeric Increments 10 Pointer Color Black Secondary Pressure Range 0 to 410 kPa Includes Mounting Hardware No Removable Bezel No Scale Type Dual Case Construction Welded Joint Cleaned for Oxygen Service No Maximum Pressure 60 Operating Temperature Range 4 Degrees to 140 Degrees F Material Alloy Steel Diameter 7 16" Length 1" Pack Size 10 Country of Origin United States Schedule B Number 731829 High Strength Alloy Steel — Strongest