2a single mounting facility thread class 0.430" single mounting facility thread length 2.270" overall length tap, circular, bushing mount unef single mounting facility thread series
Used on type no. pp-115/trc-3. 2a single mounting facility thread class 1.620" overall length 1.430" overall width mtg studs on 1.188 in. by 0.938 in. mtg centers unc single mounting facility thread series