PART NO. THREAD FLANGE SIZE O RING DIMENSIONS E A B b D1 D2 D3 1JFL4-08 3/4"X16 1/2" 18.64X3.53 26 37 7 30.2 23.9 24 1JFL4-10-08 7/8"X14 1/2" 18.64X3.53 28 37 7 30.2 23.9 24 1JFL4-10-12 7/8"X14 3/4" 24.99X3.53 33 42 7 38.1 31.7 30 1JFL4-12 1.1/16"X12 3/4" 24.99X3.53 34 42 7 38.1 31.7 30 1JFL4-12-16 1.1/16"X12 1" 32.92X3.53 36 42 8.2 44.4 38 36 1JFL4-16 1.5/16"X12 1" 32.92X3.53 37 42 8.2 44.4 38 36 1JFL4-16-12 1.5/16"X12 3/4" 24.99X3.53 35 42 7 38.1 31.7 30 1JFL4-16-20 1.5/16"X12 1.1/4" 37.69X3.53 37 42 8.2 50.8 43.2 41 1JFL4-20 1.5/8"X12 1.1/4" 37.69X3.53 39 42 8.2 50.8 43.2 41 1JFL4-20-16 1.5/8"X12 1" 32.92X3.53 39 42 8.2 44.4 38 36 1JFL4-20-24 1.5/8"X12 1.1/2" 47.22X3.53 43 50 8.2 60.3 50.3 50 1JFL4-24 1.7/8"X12 1.1/2" 47.22X3.53 45 50 8.2 60.3 50.3 50 1JFL4-24-32 1.7/8"X12 2" 56.74X3.53 51 69 9.8 71.4 62.2 60 1JFL4-32 2.1/2"X12 2" 56.74X3.53 57 69 9.8 71.4 62.2 60 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.