2.188" inside diameter 2.284" outside diameter 0.048" major thickness special flat ring style 235000.0 pounds per square inch tensile strength rating cadmium surface treated
2a thread class right-hand 0.375" thread length flat countersunk undercut head style 20 thread quantity per inch phosphate screw surface treated undercut under head, 0.180 in. dia, 0.062 in.lg unc thread series
2a thread class right-hand 0.175" thread length fillister head style 20 thread quantity per inch phosphate screw surface treated undercut under head 0.186 in. dia. 0.075 in. lg unc thread series
2a thread class right-hand 0.205" thread length flat countersunk head style 44 thread quantity per inch phosphate screw surface treated unf thread series
2a thread class right-hand 0.375" thread length fillister head style 48 thread quantity per inch 0.047 in. w recess under head phosphate surface treated unc thread series
Used on 1005-00-322-9716. 3a thread class right-hand 0.580" thread length flat chamfer head style 16 thread quantity per inch head has hole threaded to no.10-32unf-2b; 24 serrations; pitch dia.=0.3906 in.; heat treatment: carburize at 1600-1650 deg. f. to case depth of 0.004-0.006 in., oil quench, temper at 350 deg. f. for 30 min. phosphate manganese or phosphate zinc surface treated unc thread series
Used on mrap - cougar. 2a thread class right-hand 0.375" thread length flat chamfer head style 28 thread quantity per inch phosphate screw surface treated unf thread series
2a thread class right-hand 0.302" thread length flat chamfer head style 24 thread quantity per inch thread relieved under head phosphate surface treated unf thread series
Used on ht tpd mg 7.62mm m122. 3a thread class right-hand 0.950" thread length spline drive shear head head style 16 thread quantity per inch includes external serrations:24; pitch diameter:0.3906 in; major dia:0.408 in; circular tooth width, min dim:0.022 in; max effective w/gage:0.025 in; mates w/pn 5139987; final protective finish; manganese phosphate base, type m, class 1, w/vv-l-800 supplementary oil treatment or zinc phosphate base, type z, class 1, w/vv-l-800 supplementary oil treatment unc thread series
2a thread class right-hand 0.531" thread length hexagon head style 2.812" grip length 18 thread quantity per inch no. 63 finish on grip lg phosphate surface treated unf thread series