3a thread class right-hand 2.781" thread length flush head style 18 thread quantity per inch the locking element shall be a nonmetallic patch iaw mil-dtl-18240 except that the prevailing zinc surface treated unc thread series
3a thread class right-hand 0.7500" thread length flat fillister head style 32 thread quantity per inch socket cap screw oxide surface treated unc thread series
2a thread class right-hand 0.542" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand headless (setscrew) head style 24 thread quantity per inch set screw, socket, self-locking, half dog point non-metallic locking patch element iaw mil-f-18240; prevailing zinc fastener surface treated unc thread series