2a single mounting facility thread class 0.344" single mounting facility thread length 6.156" overall length 1.516" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 3.200" overall length 32 single mounting facility thread quantity per inch unc single mounting facility thread series
Used on whidbey island class lsd, oliver perry class ffg, forrestal class cv, tarawa class lha, nimitz class cvn, spruance class dd (963), virginia class cgn (41), supply class aoe, safeguard class ars. guardrail (systems 1-4).. weapon system essential
2a single mounting facility thread class 0.359" single mounting facility thread length 2.888" overall length 1.234" overall width circular wafer, bushing mount unef single mounting facility thread series
2b single mounting facility thread class 9.313" overall length 2.531" overall width 20 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series