2b thread class right-hand item must comply with requirements of defense electronics supply center production standard no. L01927 cadmium surface treated internal thread w/chain or rope unef thread series
2a single mounting facility thread class 0.344" single mounting facility thread length 1.929" overall length 1.406" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single threaded bushing thread class 5.000" overall length 1.562" overall width 14 single threaded bushing thread quantity per inch stainless steel material bourdon tube, open frame unf single threaded bushing thread series