2a thread class right-hand 0.298" thread length round head style 32 thread quantity per inch painted area black color no. 37038 fed std 595, washer consists of steel shell w/bonded neoprene cushion cadmium surface treated unc thread series
2a thread class right-hand 0.329" thread length 20 thread quantity per inch the bolt has two undercut is 0.044" between head passivate surface treated unc thread series
3a thread class right-hand 0.577" thread length flat countersunk head style 24 thread quantity per inch navy special project cadmium screw surface treated fleet ballistic missile quality as identified by quality control no. POS0909290 unf thread series
3a thread class right-hand 0.620" thread length flat countersunk head style 20 thread quantity per inch cadmium screw surface treated fleet ballistic missile quality as identified by quality control no.POSO909472 unf thread series
3a thread class right-hand 0.313" thread length flat countersunk head style 0.552" grip length 32 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.280" thread length knurled no. 1 head style 32 thread quantity per inch cone point 90 deg of angle chromium surface treated unf thread series
