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You are here: Home › Products › Fittings › Hy-Lok Tube Fittings › CUA

CUA

Union

Connects Fractional Tubes

Tube OD DWidth across flat (in.)
Part No.in.mmd min.hHABℓL
CUA – 1 1/161,581,3 5/16 5/168,610,917,525,2
CUA – 2 1/8 3,172,3 7/16 7/1612,715,222,435,6
CUA – 3 3/164,763 7/16 1/2 13,71624,137,3
CUA – 4 1/4 6,354,8 1/2 9/1615,217,826,240,9
CUA – 5 5/167,936,3 9/16 5/8 16,318,528,242,9
CUA – 6 3/8 9,527 5/8 11/1616,819,330,245
CUA – 8 1/2 12,7010,4 13/16 7/8 22,921,83151,3
CUA – 10 5/8 15,8712,7 15/161 24,421,831,852,1
CUA – 12 3/4 19,0515,71 1/161 1/8 24,421,833,353,6
CUA – 14 7/8 22,2218,31 3/161 1/4 25,921,835,155,4
CUA – 161 25,4022,31 3/81 1/2 31,226,440,464,8
CUA – 201 1/4 31,75281 3/41 7/8 41,138,94892,2
CUA – 241 1/2 38,10342 1/82 1/4 5045,253,6108
CUA – 322 50,80462 3/43 67,662,774,7149,4

Connects Metric Tubes

Width across flat
Part No.Tube OD Dd min.hHABℓL
CUA – 2M21,7121212,915,322,435,6
CUA – 3M32,3121212,915,322,135,3
CUA – 4M42,4121213,716,124,137,3
CUA – 6M64,8141415,317,726,241,0
CUA – 8M86,3141616,218,628,243,2
CUA – 10M108171917,219,531,046,2
CUA – 12M129,5222222,822,031,051,2
CUA – 15M1512242524,422,031,852,0
CUA – 16M1612,7242524,422,031,852,0
CUA – 18M1815273024,422,033,353,5
CUA – 20M201630322622,034,855,0
CUA – 22M2218,330322622,034,855,0
CUA – 25M2522353831,326,540,465,0
CUA – 28M2823414636,636,643,485,0
CUA – 32M322846504241,651,397,3
CUA – 38M3834556049,447,958,4113,6
CUA – 42M4236556555,153,664,0126,2
CUA – 50M504570766561,071,7146,0

All dimensions are in millimeters unless otherwise specified. Dimensions are for reference only, subject to change.
If a product consists of more than one component, the part number will begin with the letter “A”.

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