3b thread class right-hand 32 thread quantity per inch similar to MS21047-08, with base curved 1.500 in. radius concave to nut side; nut tensile strength 125, 000 psi; lg dim. meas before forming curve in base; base flat lg does not exceed nut od cadmium surface treated
3b thread class right-hand 36 thread quantity per inch upper threaded portiondeformed elliptically to produce self-locking action silver surface treated
3b thread class right-hand 11 thread quantity per inch material will be in accordance with ships parts control center activity hx quality control, manufacturing