2a thread class right-hand 0.625" thread length knurled no. 1 head style 16 thread quantity per inch bearing surface of head to shank hole center 0.812 in. unc thread series
2a thread class right-hand 0.324" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 1.720" thread length pan head style 32 thread quantity per inch passivate screw surface treated item must comply with requirements of defense supply center philadelphia production standard no. PO0046nrp unc thread series
Used on various c5. 3a thread class right-hand 0.276" thread length flat countersunk head style 32 thread quantity per inch cadmium or chromate screw surface treated furnished with one drilled shank hole 0.070 min. in. to 0.080 max. in. dia.; 1.659 nom. in. distance from head largest bearing surface to shank hole center unjf thread series
