2a all ends thread class 2 inlets, 0.437-20 unf, located on low heel spaced 1.000 in. c to c single joint, double elbow design unf all ends thread series
2a all ends thread class 3.045" overall length 12 all ends thread quantity per inch anodize body surface treated male coupling half un all ends thread series
3a all ends thread class 2.160" overall length 6 bolt hole quantity bulkhead thread 0.438-20 unjf 3a cadmium body surface treated male coupling half unjf all ends thread series