shell size*

A Dia. MAX

U MAX

W MAX

E thread Class 2A

.765
(19.43)

.782
(19.86)

1.230
(31.24)

1/2-20

.840
(21.34)

.926
(21.72)

1.230
(31.24)

5/8-24

.999
(25.37)

1.043
(26.42)

1.230
(31.24)

3/4-20

1.139
(28.93)

1.183
(29.97)

1.230
(31.24)

7/8-20

1.261
(32.03)

1.305
(33.15)

1.230
(31.24)

1-20

1.337
(33.96)

1.391
(35.33)

1.230
(31.24)

1-1/16-18

1.477
(37.52)

1.531
(38.89)

1.230
(31.24)

1-3/16-18

1.602
(40.69)

1.656
(42.06)

1.230
(31.24)

1-5/16-18

1.723
(43.76)

1.777
(45.14)

1.230
(31.24)

1-7/16-18