Parker Hannifin Corporation
Fluid System Connectors
Otsego, Michigan
A8
Catalog 3501E
Prestolok Metal Fittings
F23PB Male
Connector BSPT
Part
No.
tube
SIZE (MM)
BSPT
L
F23PB4-1/8
4
1/8
21
F23PB6-1/8
6
1/8
24
F23PB6-1/4
6
1/4
28
F23PB8-1/8
8
1/8
28
F23PB8-1/4
8
1/4
28
This fitting has been designed for use where space is at a premium. It is assembled using the
internal hexagon and an allen key.
L
F8PB Male Connector
Metric Straight Thread
Part
No.
tube
SIZE (MM)
mm
thread
C
HEX
L
F8PB4M5
4
M5x0.8
10
26.6
F8PB4M10
4
M10x1
14
24.0
F8PB6M5
6
M5x0.8
12
27.8
F8PB6M10
6
M10x1
14
28.0
F8PB6M12
6
M12x1.5
17
23.5
F8PB8M12
8
M12x1.5
17
27.0
F8PB8M16
8
M16x1.5
22
28.0
F8PB8M22
8
M22x1.5
27
30.0
L
C
L
C
F3PB Male
Connector BSPT
Part
No.
tube
SIZE (MM)
BSPT
C
HEX
L
F3PB4-1/8
4
1/8
10
18.4
F3PB4-1/4
4
1/4
14
20.0
F3PB5-1/8
5
1/8
11
22.0
F3PB5-1/4
5
1/4
14
23.0
F3PB6-1/8
6
1/8
12
20.7
F3PB6-1/4
6
1/4
14
20.8
F3PB8-1/8
8
1/8
14
27.5
F3PB8-1/4
8
1/4
14
26.5
F3PB8-3/8
8
3/8
17
22.5
F3PB10-1/4
10
1/4
17
32.3
F3PB10-3/8
10
3/8
17
26.3
F3PB10-1/2
10
1/2
22
26.3
F3PB12-1/4
12
1/4
20
34.3
F3PB12-3/8
12
3/8
20
29.3
F3PB12-1/2
12
1/2
22
27.3
F3PB14-3/8
14
3/8
22
38.0
F3PB14-1/2
14
1/2
22
33.0
W68LF Male Connector Metric Tube to BSPT
Part
No.
Tube
Size (mm)
c
bspt
F1
mm
F2
mm
h
mm
k
mm
W68LF-4M-2R
4
1/8
10
3
9.5
11.0
W68LF-4M-4R
4
1/4
14
3
6.5
15.0
W68LF-4M-6R
4
3/8
17
3
8.0
18.5
W68LF-6M-2R
6
1/8
11
4
11.5
11.0
W68LF-6M-4R
6
1/4
14
4
8.5
15.0
W68LF-6M-6R
6
3/8
17
4
8.5
18.5
W68LF-6M-8R
6
1/2
21
4
9.0
23.0
W68LF-8M-2R
8
1/8
13
5
20.0 14.0
W68LF-8M-4R
8
1/4
14
6
17.0
15.0
W68LF-8M-6R
8
3/8
17
6
13.0 18.5
W68LF-8M-8R
8
1/2
21
6
12.0 23.0
W68LF-10M-2R
10
1/8
16
5
22.5 17.5
W68LF-10M-4R
10
1/4
16
7
20.0 17.5
W68LF-10M-6R
10
3/8
17
8
16.5 18.5
W68LF-10M-8R
10
1/2
21
8
14.0 23.0
W68LF-12M-4R
12
1/4
19
7
26.5 21.0
W68LF-12M-6R
12
3/8
19
9
24.0 21.0
W68LF-12M-8R
12
1/2
21
9
19.5 23.0
W68LF-14M-6R
14
3/8
22
9
28.5 24.0
W68LF-14M-8R
14
1/2
24
10
23.5 26.0
W68LF Male Connector Metric Tube to NPT
Part
No.
Tube
Size (mm)
c
NPT
F1
mm
F2
in
h
in
k
in
W68LF-4M-2
4
1/8
11
3
.33
.47
W68LF-4M-4
4
1/4
14
3
.28
.59
W68LF-6M-2
6
1/8
11
4
.45
.47
W68LF-6M-4
6
1/4
14
4
.33
.59
W68LF-8M-2
8
1/8
13
5
.79
.55
W68LF-8M-4
8
1/4
14
6
.66
.59
W68LF-8M-6
8
3/8
18
6
.46
.77
W68LF-10M-4
10
1/4
16
7
.79
.69
W68LF-10M-6
10
3/8
18
8
.65
.77
W68LF-10M-8
10
1/2
22
8
.55
.95
W68LF-12M-6
12
3/8
19
9
.95
.83
W68LF-12M-8
12
1/2
22
10
.77
.95