Used on type no; an/trc-47. 2a single mounting facility thread class 3.990" overall length 1.930" overall width unc single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 2.656" overall length circular wafer, bushing mount unef single mounting facility thread series
Used on aircraft, a-6e, ta-4j, p-3. 0.250" single mounting facility thread length four dummy terminals on the rear of section one unef single mounting facility thread series