Used on wasp class lhd,command control and communications sys 427m,tarawa class lha,boat davits,emory s. land class as,usns henry j. kaiser class tao,forrestral class cv. weapon system essential
2a single mounting facility thread class 0.250" single mounting facility thread length 1.875" overall length 0.906" overall width circular wafer, bushing mount unef single mounting facility thread series