Tube Fittings

Below is a selection of our most commonly sold tube fittings (available in stainless steel or brass). Please contact us to assist you in finding a tube fitting in a size or style not shown here. Please note: These tube fittings are of the highest quality and are completely interchangeable with Swagelok® brand equivalents.

These fittings are manufactured in either stainless steel or brass. When ordering please specify material. For brass, please add the part suffix "B". For ordering stainless steel, please add the part suffix "S". For example, the part number for a brass 1/4" male connector would be a DCT4-4B

DCT Male Connector

Part No.	A Tube OD	T Thread	H Hex	L Length
DCT3-4	3/16	1/4	9/16	1.42
DCT4-2	1/4	1/8	1/2	1.29
DCT4-4	1/4	1/4	9/16	1.48
DCT4-8	1/4	1/2	7/8	1.73
DCT6-4	3/8	1/4	5/8	1.57
DCT6-6	3/8	3/8	11/16	1.57
DCT6-8	3/8	1/2	7/8	1.79
DCT8-4	1/2	1/4	13/16	1.71
DCT8-6	1/2	3/8	13/16	1.71
DCT8-8	1/2	1/2	7/8	1.90
DCT12-8	3/4	1/2	1-1/16	1.99
DCT12-12	3/4	3/4	1-1/16	1.99
DCT12-16	3/4	1	1-3/8	2.26
DCT16-12	1	3/4	1-3/8	2.26
DCT16-16	1	1	1-3/8	2.45

DUA Union

Part Number	A Tube O.D.	H Hex	L Length
DUA2	1/8	7/16	0.88
DUA4	1/4	1/2	1.61
DUA6	3/8	5/8	1.77
DUA8	1/2	13/16	2.02
DUA12	3/4	1-1/16	2.11
DUA16	1	1-3/8	2.55

DUR Reducing Union

Part No.	A Tube O.D.	B Tube O.D.	H Hex	L Length
DUR4-2	1/4	1/8	1/2	1.52
DUR6-2	3/8	1/8	5/8	1.61
DUR6-4	3/8	1/4	5/8	1.70
DUR8-4	1/2	1/4	13/16	1.85
DUR8-6	1/2	3/8	13/16	1.91
DUR12-6	3/4	3/8	1-1/16	1.98
DUR12-8	3/4	1/2	1-1/16	2.11
DUR16-12	1	3/4	1-3/8	2.37

DLN Male Elbow

Part No.	A Tube O.D.	T Thread	H Hex	B	C
DLN4-2	1/4	1/8	1/2	1.07	0.75
DLN4-4	1/4	1/4	1/2	1.07	0.94
DLN4-6	1/4	3/8	11/16	1.17	1.12
DLN4-8	1/4	1/2	13/16	1.26	1.31
DLN6-4	3/8	1/4	13/16	1.20	1.00
DLN6-6	3/8	3/8	11/16	1.23	1.12
DLN6-8	3/8	1/2	13/16	1.32	1.25
DLN8-6	1/2	3/8	13/16	1.38	1.08
DLN8-8	1/2	1/2	13/16	1.43	1.31
DLN8-12	1/2	3/4	1-1/16	1.49	1.40
DLN12-8	3/4	1/2	1-1/16	1.51	1.40
DLN12-12	3/4	3/4	1-1/16	1.51	1.40

DLA Union Elbow

Part No.	A Tube O.D.	H Hex	B
DLA2	1/8	3/8	0.88
DLA4	1/4	1/2	1.07
DLA6	3/8	5/8	1.20
DLA8	1/2	13/16	1.38
DLA12	3/4	1-1/16	1.51
DLA16	1	1-5/16	1.79

DTN Male Branch Tee

Part No.	A Tube O.D.	T Thread	H Hex	L	B
DTN4-2	1/4	1/8	1/2	1.07	0.75
DTN4-4	1/4	1/4	1/2	1.07	0.94
DTN6-4	3/8	1/4	5/8	1.20	1.00
DTN6-6	3/8	3/8	11/16	1.23	1.12
DTN8-6	1/2	3/8	13/16	1.38	1.08
DTN8-8	1/2	1/2	13/16	1.43	1.31
DTN12-12	3/4	3/4	1-1/16	1.51	1.40

DTA Union Tee

Part No.	A Tube O.D.	B	H Hex
DTA2	1/8	0.88	3/8
DTA4	1/4	1.07	1/2
DTA6	3/8	1.20	5/8
DTA8	1/2	1.38	13/16
DTA12	3/4	1.51	1-1/16
DTA16	1	1.79	1-5/16

DOS Ferrule Set

Part No. (Set)	A Tube O.D.	Front Ferrule Part No.	Back Ferrule Part No.
DOS2	1/8	DOF2	DOB2
DOS4	1/4	DOF4	DOB4
DOS6	3/8	DOF6	DOB6
DOS8	1/2	DOF8	D0B8
DOS12	3/4	DOF12	DOB12
DOS16	1	DOF16	DOB16

DNA Nut

Part No. (Set)	A Tube O.D.	Front Ferrule Part No.	Back Ferrule Part No.
DOS2	1/8	DOF2	DOB2
DOS4	1/4	DOF4	DOB4
DOS6	3/8	DOF6	DOB6
DOS8	1/2	DOF8	D0B8
DOS12	3/4	DOF12	DOB12
DOS16	1	DOF16	DOB16

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