3a thread class right-hand 0.297" thread length button head style 28 thread quantity per inch cres pin 0.053 in. dia by 0.140 in. lg located 0.040 in. to 0.045 in. from bearing surface of head pin protrudes 0.060 in. above surface of shank dia. cadmium surface treated unf thread series
3a nut thread a thread class right-hand nut thread a 1.312" nut thread a thread length 16.562" overall length 16 nut thread a thread quantity per inch unf nut thread a thread series
3a thread class right-hand 0.343" thread length hexagon head style 1.250" grip length 24 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.156" thread length hexagon head style 24 thread quantity per inch undercut between thd passivate surface treated unc thread series
3a thread class right-hand 0.187" thread length flat chamfer head style 24 thread quantity per inch head w/1 drilled hole cadmium surface treated unc thread series
3a thread class right-hand 0.781" thread length 28 thread quantity per inch 2 drilled holes 0.036-0.056 in. dia thru two walls passivate surface treated unf thread series
grommets, metallic, plain material; brass or aluminum; finish: aluminum, anodize in accordance with mil-a-8625; brass; cadmium plate in accordance with qq-p-416, type ii, class 2 only when specified. the assembly shall consist of one grommet