Used on type 8 & 18 periscope hydraulic cylinder. 2a thread class right-hand round head style 24 thread quantity per inch navy special project screw material corrosion resistant steel 18-8; critical technology unc thread series
Used on 5865-01-585-3857. 2a thread class right-hand 0.500" thread length hexagon head style 32 thread quantity per inch hex head machine screw unf thread series
Used on kc-135 acft. 3a thread class right-hand 0.531" thread length flush head style 24 thread quantity per inch screw, schear standard flush head unjf thread series
2a thread class right-hand flat countersunk head style 32 thread quantity per inch flat head captive machine screw phillips screw has lead point with ref angle of 82 deg unc thread series
Used on mrap mrv(mine recov. vehicle. 2a thread class right-hand 0.750" thread length pan no. 2 head style 32 thread quantity per inch sealing screw passivate screw surface treated this has an undercut-clear hole for an 0-ring to make this an air, water or gas-tight seal; the undercut is 0.147" unc thread series
