3a thread class right-hand 0.531" thread length spline extended washer head style 0.678" grip length 24 thread quantity per inch threaded hole in top of head 0.138-32 unjc-3b. injection port 0.120 in. lg; 0.060 in. wide in unthd shank; distance from head to beginning of injection port 0.100 in. lg passivate surface treated unjf thread series
3a thread class right-hand 0.531" thread length spline extended washer head style 0.740" grip length 24 thread quantity per inch threaded hole in top of head 0.138-32 unjc-3b. injection port 0.120 in. lg; 0.060 in. wide in unthd shank; distance from head to beginning of injection port 0.100 in. lg. passivate surface treated unjf thread series
3a thread class right-hand 0.531" thread length spline extended washer head style 0.428" grip length 24 thread quantity per inch threaded hole in top of head 0.138-32 unjc-3b. injection port 0.120 in. lg; 0.060 in. wide in unthd shank; distance from head to beginning of injection port 0.180 in. lg. passivate surface treated unjf thread series
3a thread class right-hand 0.531" thread length spline extended washer head style 0.365" grip length 24 thread quantity per inch threaded hole in top of head 0.138-32 unjc-3b. injection port 0.120 in. lg; 0.060 in. wide in unthd shank; distance from head to beginning of injcetion port 0.160 in. lg. passivate surface treated unjf thread series
3a thread class right-hand 0.338" thread length dished hexagon head style 0.552" grip length 24 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.495" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.557" grip length 20 thread quantity per inch 95000 single pounds per square inch shear strength identify with color code black on thread end aluminum surface treated unjf thread series
3a thread class right-hand 0.495" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength color code orange on thread end aluminum surface treated unjf thread series
3a thread class right-hand 0.433" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength color code orange on thread end aluminum surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.557" grip length 28 thread quantity per inch hi kote 1 per hi shear spec 294 with threads colored black aluminum surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.245" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength aluminum surface treated unjf thread series
3a thread class right-hand 0.933" grip length 20 thread quantity per inch 125000 single pounds per square inch shear strength passivate surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.781" grip length 95000 single pounds per square inch shear strength single action installation passivate surface treated
3a thread class right-hand 0.189" thread length pan no. 2 head style 32 thread quantity per inch sleeve fits on shank portion of screw up to bearing surface of head passivate surface treated unf thread series
3a thread class right-hand 0.578" thread length flat countersunk head style 0.615" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.656" thread length flat countersunk head style 1.365" grip length 20 thread quantity per inch tapped hole in head 0.138-32 unjc-3b threads. distance from top of head to injection port 0.920 nom. inch. injection port 0.120 nom. in. lg; 0.060 nom. in. wide passivate surface treated unjf thread series
3a thread class right-hand 0.425" thread length flat countersunk head style 0.928" grip length 28 thread quantity per inch navy special project red dye or paint on thread end before lubrication phosphate surface treated unjf thread series
3a thread class right-hand 0.338" thread length flat countersunk head style 0.740" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.338" thread length flat countersunk head style 0.240" grip length 32 thread quantity per inch navy special project aluminum surface treated unjf thread series
3a thread class right-hand 0.345" thread length pan head style 0.740" grip length 32 thread quantity per inch navy special project surface treatment contains fluoride phosphate surface treated unf thread series
3a thread class right-hand 0.370" thread length flat countersunk head style 0.428" grip length 28 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.370" thread length pan head style 0.490" grip length 28 thread quantity per inch navy special project aluminum surface treated unjf thread series
3a thread class right-hand 0.323" thread length pan head style 0.240" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.354" thread length flat countersunk head style 0.490" grip length 28 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.326" thread length flat countersunk head style 0.178" grip length 32 thread quantity per inch navy special project aluminum surface treated unjf thread series
3a thread class right-hand 0.276" thread length flat countersunk head style 0.365" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.840" thread length flat countersunk head style 1.8025" grip length 18 thread quantity per inch navy special project red dye or paint on thread end before lubrication phosphate surface treated unjf thread series
3a thread class right-hand 0.605" thread length double hexagon head style 1.490" grip length 18 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.469" thread length dished hexagon head style 0.990" grip length 24 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.469" thread length dished hexagon head style 0.865" grip length 24 thread quantity per inch navy special project aluminum surface treated unjf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 0.046" hole diameter 0.678" grip length 28 thread quantity per inch navy special project aluminum surface treated unjf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 0.046" hole diameter 1.240" grip length 28 thread quantity per inch navy special project aluminum surface treated unjf thread series
3a thread class right-hand 0.566" thread length dished hexagon head style 0.070" hole diameter 1.615" grip length 16 thread quantity per inch navy special project cadmium surface treated unjf thread series
3a thread class right-hand 0.531" thread length spline extended washer head style 0.928" grip length 24 thread quantity per inch threaded hole in top of head 0.138-32 unjc-3b. injection port 0.120 in. lg; 0.060 in. wide in unthd shank; distance from head to beginning of injection port 0.100 in. lg. passivate surface treated unjf thread series
Used on ea-6b prowler aircraft, a-6e intruder aircraft. 3a thread class right-hand 0.910" thread length double hexagon w/hole head style 3.615" grip length 18 thread quantity per inch aluminum surface treated unjf thread series