1pstno, double make; output relay 1pstnc, double break; rated 5 amps at 28 vdc; continous duty; 3.130 in. lg; 3.130 in. w; 2.500 in. max h; four 0.196 in. dia mtg holes on 2.625 x 2.626 in. mtg ctrs
2a single mounting facility thread class 0.437" single mounting facility thread length tap, circular, bushing mount unef single mounting facility thread series