Dimensions and pressures for reference only, subject to change.
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
C7
4300
Catalog
Ferulok
®
Flareless Bite Type Fittings
BU
Nut
Flareless
SAE 080110
TU
Ferrule
Flareless
SAE 08115A
WLN
Bulkhead Locknut
Flareless
SAE 080118 and 070118
HBU
Union
Flareless / Flareless
SAE 080101
TUBE
FITTING
PART #
TUBE
O.D.
(
in.)
T6
UN/UNF-2B
C
HEX
(
in.)
D
DRILL
(
in.)
L
(
in.)
Material
-
S -SS
2
BU
1/8 5/16 - 24 3/8 0.130 0.53
•
•
3
BU
3/16 3/8 - 24 7/16 0.193 0.61
•
•
4
BU
1/4 7/16 - 20 9/16 0.255 0.70
•
•
5
BU
5/16 1/2 - 20 5/8 0.318 0.72
•
•
6
BU
3/8 9/16 - 18 11/16 0.380 0.75
•
•
8
BU
1/2 3/4 - 16 7/8 0.505 0.84
•
•
10
BU
5/8 7/8 - 14
1 0.631 0.92
•
•
12
BU
3/4 1 1/16 - 12 1 1/4 0.756 0.97
•
•
14
BU
7/8 1 3/16 - 12 1 3/8 0.881 1.00
•
•
16
BU
1 1 5/16 - 12 1 1/2 1.006 1.05
•
•
20
BU
1 1/4 1 5/8 - 12 2 1.260 1.05
•
•
24
BU
1 1/2 1 7/8 - 12 2 1/4 1.510 1.03
•
•
32
BU
2 2 1/2 - 12 2 7/8 2.014 1.12
•
•
TUBE
FITTING
PART #
TUBE
O.D.
(
in.)
A
(
in.)
C
(
in.)
H
(
in.)
Material
-
S -SS
2
TU
1/8
0.13
0.24
0.29
•
•
3
TU
3/16
0.19
0.31
0.33
•
•
4
TU
1/4
0.26
0.37
0.36
•
•
5
TU
5/16
0.32
0.43
0.37
•
•
6
TU
3/8
0.38
0.50
0.39
•
•
8
TU
1/2
0.51
0.66
0.43
•
•
10
TU
5/8
0.63
0.78
0.44
•
•
12
TU
3/4
0.76
0.93
0.48
•
•
14
TU
7/8
0.88
1.06
0.48
•
•
16
TU
1
1.01
1.19
0.48
•
•
20
TU
1 1/4
1.26
1.45
0.48
•
•
24
TU
1 1/2
1.51
1.69
0.48
•
•
32
TU
2
2.01
2.21
0.51
•
•
TUBE
FITTING
PART #
TUBE
O.D.
(
in.)
T
UN/UNF-2B
C2
HEX
(
in.)
T1
(
in.)
Material
-
S -SS
3
WLN
3/16 3/8 - 24
5/8
0.22
•
•
4
WLN
1/4 7/16 - 20 11/16 0.28
•
•
5
WLN
5/16 1/2 - 20
3/4
0.28
•
•
6
WLN
3/8 9/16 - 18 13/16 0.27
•
•
8
WLN
1/2
3/4 - 16
1
0.31
•
•
10
WLN
5/8
7/8 - 14 1 1/8 0.36
•
•
12
WLN
3/4 1 1/16 - 12 1 3/8 0.41
•
•
14
WLN
7/8 1 3/16 - 12 1 1/2 0.41
•
•
16
WLN
1 1 5/16 - 12 1 5/8 0.41
•
•
20
WLN
1 1/4 1 5/8 - 12 1 7/8 0.41
•
•
24
WLN
1 1/2 1 7/8 - 12 2 1/8 0.41
•
•
32
WLN
2
2 1/2 - 12 2 3/4 0.41
•
•
TUBE
FITTING
PART #
END SIZE
C
HEX
(
in.)
L1
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1
(
in.)
2
(
in.)
-
S -SS
2
HBU
1/8
1/8
7/16 1.02 6.0 6.0
3
HBU
3/16
3/16 7/16 1.11 6.0 6.0
4
HBU
1/4
1/4
1/2 1.19 6.0 6.0
5
HBU
5/16
5/16 9/16 1.19 6.0 6.0
6
HBU
3/8
3/8
5/8 1.24 6.0 6.0
6-4
HBU
3/8
1/4
5/8 1.22 6.0 6.0
8
HBU
1/2
1/2 13/16 1.42 5.0 5.0
8-6
HBU
1/2
3/8 13/16 1.33 5.0 5.0
10
HBU
5/8
5/8 15/16 1.61 5.0 5.0
10-8
HBU
5/8
1/2 15/16 1.55 5.0 5.0
12
HBU
3/4
3/4
1 1/8 1.81 4.5 4.5
14
HBU
7/8
7/8
1 1/4 1.81 4.0 4.0
16
HBU
1
1
1 3/8 1.81 4.0 4.0
20
HBU
1 1/4 1 1/4 1 11/16 1.89 3.0 3.0
24
HBU
1 1/2 1 1/2
2
1.96 2.0 2.0
32
HBU
2
2
2 5/8 2.11 1.5 1.5
Steel TU sleeves are plated with a zinc phos.
Note: All stainless steel nuts are coated to prevent galling at
assembly.
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