PART NO. THREAD DIMENSIONS E F G A B C S1 AJTJ-04SP 7/16"X20 R1/4"X19 7/16"X20 26.6 25.5 26.6 14 AJTJ-04-02-04SP 7/16"X20 R1/8"X28 7/16"X20 24.5 21 24.5 11 AJTJ-06SP 9/16"X18 R3/8"X19 9/16"X18 28.5 28.5 28.5 16 AJTJ-06-04-06SP 9/16"X18 R1/4"X19 9/16"X18 26.9 25.5 26.9 14 AJTJ-08SP 3/4"X16 R1/2"X14 3/4"X16 34.8 36 34.8 22 AJTJ-08-06-08SP 3/4"X16 R3/8"X19 3/4"X16 32 30.5 32 19 AJTJ-10-08-10SP 7/8"X14 R1/2"X14 7/8"X14 37.8 36 37.8 22 AJTJ-12SP 1.1/16"X12 R3/4"X14 1.1/16"X12 44.2 43.5 44.2 27 AJTJ-16SP 1.5/16"X12 R1"X11 1.5/16"X12 49 50 49 33 AJTJ-20SP 1.5/8"X12 R1.1/4"X11 1.5/8"X12 55.5 56.5 55.5 41 AJTJ-24SP 1.7/8"X12 R1.1/2"X11 1.7/8"X12 62.5 62.5 62.5 48 Nut and sleeve should be ordered separately.The nut NB200 and sleeve NB500 is suitable for metric tube,the nut NB200 and sleeve NB300 is suitable for inch tube.