General purpose accelerometer, side mount 2-pin (Mil-C-5015) Frequency: +-5% : 30-300,000 cpm/0.5-5000 Hz +-10%: 18-420,000 cpm/0.3-7000Hz +-3dB: 12-600,000 cpm/0.2-10000Hz Temp Range: -65 to +250 degrees F/ -54 to 121C Sensitivity (+-5%): 100 mV/g Mounted Resonant Frequency: 1,200kcpm Measurement Range: +-50g Weight: 5.56 oz/ 157g Dimensions (dia x ht): 1 3/8 x 1 1/8 Stud size: 1/4 -28 captive screw, same as V324.