Form from plastic molding material, nylon, glass fiber filled, l-p-395, type ii, grade b, polymer 6/6, class i; 3.820 in. Long; 1.590 in. Outside dia; 3 places, 0.600 r; 3 places, 0.755 r; a 0.187 in dia. Ref hole is permissible to facilitate mfr; spacer pkg aft f/apam