Used on 2330-01-303-8832 m1000 chettl trailer. 2a thread class right-hand 1.250" thread length head style 13 thread quantity per inch cadmium or zinc surface treated unc thread series
2b thread class right-hand 0.190" thread length pan head style 40 thread quantity per inch passivate screw surface treated unthreaded portion undercut to .080 in. unc thread series
2a nut thread a thread class right-hand nut thread a 0.690" nut thread a thread length 13.050" overall length 13 nut thread b thread quantity per inch threaded end b hole 0.136 in. nom dia passivate surface treated unc nut thread a thread series
2a nut thread a thread class right-hand nut thread a 1.060" nut thread a thread length 15.040" overall length 14 nut thread a thread quantity per inch thread b end hole 0.136 in. nom dia passivate surface treated unc nut thread a thread series
2a thread class right-hand 1.620" thread length knurled no. 1 head style 18 thread quantity per inch undercut two places .090 in wide .245 in dia. beneath surface of the head un thread series
3a thread class right-hand 0.694" thread length dished hexagon head style 2.625" grip length 20 thread quantity per inch shall be in accordance with all requirements as specified in national aerospace standard nas 6603 through 6620 cadmium surface treated unjf thread series