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DUE Bulkhead AN 37° Flare Union BI-Lok Tube Fitting to AN 37 Flare


  inch
(mm)
Part No. ØA AN ØE ØE1 I F L L1 L2 L3 Hex 1 Hex 2 T Panel
Tube OD UNF Hole Thickness
  DUE-2-2-* 1/8
(3.18)
1/8 0.09
(2.3)
0.06
(1.5)
0.25
(6.4)
0.51
(13.0)
1.88
(47.7)
1.61
(41.0)
0.97
(24.6)
1.23
(31.3)
1/2 7/16 5/16-24 0.33
(8.3)
0.50
(12.7)
  DUE-2-3-* 1/8
(3.18)
3/16 0.09
(2.3)
0.12
(3.1)
0.25
(6.4)
0.51
(13.0)
1.92
(48.7)
1.65
(42.0)
0.97
(24.6)
1.23
(31.3)
1/2 7/16 7/16-20 0.33
(8.3)
0.50
(12.7)
  DUE-3-2-* 3/16
(4.76)
1/8 0.12
(3.0)
0.06
(1.5)
0.28
(7.2)
0.54
(13.8)
1.92
(48.7)
1.65
(42.0)
1.00
(25.5)
1.27
(32.2)
9/16 1/2 5/16-24 0.39
(9.9)
0.50
(12.7)
  DUE-3-3-* 3/16
(4.76)
3/16 0.12
(3.0)
0.12
(3.1)
0.28
(7.2)
0.54
(13.8)
1.96
(49.7)
1.69
(43.0)
1.00
(25.5)
1.27
(32.2)
9/16 1/2 3/8-24 0.39
(9.9)
0.50
(12.7)
  DUE-4-4-* 1/4
(6.35)
1/4 0.19
(4.8)
0.17
(4.3)
0.31
(7.9)
0.61
(15.4)
2.13
(54.0)
1.83
(46.5)
1.02
(26.0)
1.32
(33.5)
5/8 9/16 7/16-20 10.06
(1.5)
0.40
(10.2)
  DUE-6-4-* 3/8
(9.53)
1/4 0.28
(7.1)
0.17
(4.3)
0.37
(9.5)
0.67
(17.0)
2.26
(57.3)
1.96 (49.9) 1.46
(37.0)
1.16
(29.5)
3/4 11/16 7/16-20 0.58
(14.7)
0.44
(11.2)
  DUE-6-6-* 3/8
(9.53)
3/8 0.28
(7.1)
0.28
(7.1)
0.37
(9.5)
0.67
(17.0)
2.26
(57.3)
1.96
(49.8)
1.16
(29.5)
1.46  (37.0) 3/4 11/16 9/16-18 0.58
(14.7)
0.44
(11.2)
  DUE-8-6-* 1/2
(12.7)
3/8 0.41
(10.4)
0.28
(7.1)
0.50
(12.7)
0.91
(23.0)
2.49
(63.3)
2.09
(53.0)
1.26
(32.0)
1.67
(42.3)
15/16 11/16 9/16-18 0.76
(19.4)
0.50
(12.7)
  DUE-8-8-* 1/2
(12.7)
1/2 0.41
(10.4)
0.39
(9.9)
0.50
(12.7)
0.91
(23.0)
2.60
(66.0)
2.19
(55.7)
1.26
(32.0)
1.67
(42.3)
15/16 7/8 3/4-16 0.76
(19.4)
0.50
(12.7)
  DUE-12-12-* 3/4
(19.05)
3/4 0.62
(15.8)
0.62
(15.8)
0.56
(14.3)
0.97
(24.6)
3.11
(79.1)
2.71
(68.8)
1.47
(37.3)
1.87
(47.6)
1-3/16 1-1/8 1-1/16-12 1.02
(25.8)
0.66
(16.8 )
  DUE-16-16-* 1
(25.4)
1 0.89
(22.5)
0.85
(21.5)
0.75
(19.1)
1.24
(31.6)
3.65
(92.8)
3.16
(80.2)
1.78
(45.2)
2.28
(57.8)
1-5/8 1-1/12 1-5/16-12 1.33
(33.7)
0.75
(19.1)
*Add suffix SS for 316 stainless steel or B for brass.
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