3a thread class right-hand 0.875" thread length flat fillister head style 32 thread quantity per inch socket head cap screw oxide surface treated unrf thread series
right-hand 0.750" thread length hexagon extended washer head style 18 thread quantity per inch unslotted indented hex head washer head machine screw unc thread series
Used on air craft oven. 2a nut thread a thread class right-hand nut thread a 0.360" thread length 3.375" overall length 18 nut thread a thread quantity per inch baffle plate anchor post shouldered unc nut thread a thread series
