Used on nsn 2320-01-304-2277 pls (palletized loading system); nsn 2320-01-318-9902 het (heavy equipment transporter). 2b thread class right-hand 20 thread quantity per inch cadmium or zinc surface treated
2b thread class right-hand 13 thread quantity per inch navy special project two holes on bearing surface 180.0 deg apart 0.188 in. depth, one tapped hole 0.375 in. depth