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A10
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
4300 Catalog
Seal-Lok™ O-Ring Face Seal Tube Fittings
Dimensions and pressures for reference only, subject to change.
BL
Tube Nut
ORFS
SAE 520110
BML
Tube Nut – mm Hex
ORFS
ISO 8434-3 NA
SAE 52M0110A
TPL
Parflange Sleeve
for Inch Tubing
ORFS Mechanically
Attachable Sleeve
TPL (Metric)
Parflange Sleeve for
Metric Tubing
ORFS Mechanically
Attachable Sleeve
* Sizes 14 and 32 are not included in SAE J1453.
** These tube nuts should not be exposed to annealing temperatures,
such as furnace brazin
information on special nuts.
TUBE
FITTING
PART #
END
SIZE
(in.)
T6
UNF/UNF-2B
B
HEX
(in.)
C
(in.)
G
(in.)
STANDARD
MATERIAL
FROM STOCK
-S -SS
4 BL
1/4
9/16-18 11/16 0.41 0.58
6 BL
3/8 11/16-16 13/16 0.53 0.67
8 BL
1/2 13/16-16 15/16 0.65 0.83
10 BL
5/8
1-14
1 1/8 0.83 0.93
12 BL
3/4 1 3/16-12 1 3/8 0.95 1.02
12-14 BL
7/8 1 3/16-12 1 3/8 0.99 1.22
14 BL*
7/8 1 5/16-12 1 1/2 1.08 1.04
16 BL
1
1 7/16-12 1 5/8 1.14 1.10
20 BL
1 1/4 1 11/16-12 1 7/8 1.42 1.10
24 BL
1 1/2
2-12
2 1/4 1.73 1.10
32 BL*
2
2 1/2-2 2 7/8 2.22 1.30
TUBE
FITTING
PART #
END SIZE
D
THREAD
UN/UNF-2B
D13
DRILL
(mm)
H
(mm)
S
HEX
(mm)
STANDARD
MATERIAL
FROM STOCK
(mm) (in.)
S SS
4BML
6 1/4 9/16-18 10.5 15 17
6BML
8,10 3/8 11/16-16 13.55 17 22
8BML
12 1/2 13/16-16 16.6 20 24
10BML
14,15,16 5/8 1-14 21.1 24 30
12BML
18,20 3/4 1 3/16-12 24.15 26.5 36
16BML
22,25 1 17/16-12 29.1 27.5 41
20BML
28,30,32 1 1/4 1 11/16-12 36 27.5 50
24BML
35,38 1 1/2 2-12
44 27.5 60
TUBE
FITTING
PART #
D5
END
SIZE
(in.)
D8
DIA
(in.)
L
(in.)
STANDARD
MATERIAL
FROM STOCK
-S -SS
4 TPL
1/4
0.50 0.30
• •
6 TPL
3/8
0.62 0.34
• •
8 TPL
1/2
0.74 0.42
• •
10 TPL
5/8
0.92 0.42
• •
12 TPL
3/4
1.09 0.47
• •
16 TPL
1
1.34 0.53
• •
20 TPL
1 1/4 1.59 0.52
• •
24 TPL
1 1/2 1.91 0.49
• •
32 TPL
2
2.39 0.54
TUBE
FITTING
PART #
USED
WITH
FITTING
SIZE
D5
END
SIZE
(mm)
D8
DIA
(mm)
L
(mm)
STANDARD
MATERIAL
FROM STOCK
-S -SS
TPLS6
-4
6
13
7.5
TPLS8
-6
8
16
8.5
TPLS10
-6
10
16
8.5
• •
TPLS12
-8
12
19
10.5
• •
TPLS14
-10
14
21
10.5
TPLS15
-10
15
23.5 10.5
TPLS16
-10
16
23.5 10.5
TPLS18
-12
18
28
12
TPLS20
-12
20
28
12
• •
TPLS22
-16
22
34
13.5
TPLS25
-16
25
34
13.5
TPLS28
-20
28
40.5
13
TPLS30
-20
30
40.5
13
TPLS32
-20
32
40.5
13
TPLS35
-24
35
48.5 12.5
TPLS38
-24
38
48.5 12.5