SPECIFICATIONS: .50 [12.7] SQ. Electrical: .340 [8.64] TYP. Mechanical: 4X ø.102 [Ø2.59] THRU .396±.015 [10.06±0.38] 5311A .132±.015 [3.35±0.38] *.062 [1.57] *ø.280 [7.11] *ø.30 [7.62] .527±.015 [13.39±0.38] .98±.04 [24.89±1.02] 5312A .340±.015 [8.64±0.38] 5313A .452±.020 [11.48±0.51] .188±.015 [4.78±0.38] .132±.015 [3.35±0.38] .526±.015 [13.36±0.38] 1.01±.04 [25.65±1.02] .500±.015 [12.70±0.38] .95±.04 [24.13±1.02]