2a single mounting facility thread class 3.800" overall length 32 single mounting facility thread quantity per inch unc single mounting facility thread series
Used on yspruance class dd (963), forrestal class cv, emory s. land class as, general purpose electronic test wquipment gpete, los angeles class ssn (688), arleigh burke class ddg, whidbey island class lsd, nimitz class cvn, tarawa class lha. weapon system essential
