Parker Hannifin Corporation
Fluid System Connectors
Otsego, Michigan
A7
Catalog 3501E
Prestolok Metal Fittings
O.D.
L
68
PLPR Round Body
Male Connector
Part
No.
Tube
Size
Thread
Size
NPTF
Internal
Hex
Broach
Body
Dia.
O.D.
L
Flow
Dia.
68
PLPR-2-0*
1/8
10-32
3/32
3/8"
.89
.094
68
PLPR-5/32-0*
5/32
10-32
3/32
3/8"
.91
.094
68
PLPR-4-0*
1/4
10-32
3/32
1/2"
.95
.094
W68PLPR-5/32-1
5/32
1/16
1/8
7/16"
.87
.125
W68PLPR-5/32-2
5/32
1/8
1/8
7/16"
.79
.125
W68PLPR-4-1
1/4
1/16
5/32
1/2"
1.06
.156
W68PLPR-4-2
1/4
1/8
3/16
1/2"
.88
.188
W68PLPR-4-4
1/4
1/4
3/16
5/8"
.99
.188
*10-32
seal is neoprene
PLPHBF4-B
Male Connector BSPP
Part
No.
tube
size (IN)
pipe thd
BSPP
c
hex
l
flow
dia. D
3-1/8
PLPHBF4-B
3/16
1/8-28
11/16
.96
.156
3-1/4
PLPHBF4-B
3/16
1/4-19
3/4
.97
.156
4-1/8
PLPHBF4-B
1/4
1/8-28
11/16
1.13
.188
4-1/4
PLPHBF4-B
1/4
1/4-19
3/4
1.13
.188
4-3/8
PLPHBF4-B
1/4
3/8-19
7/8
1.13
.188
6-1/4
PLPHBF4-B
3/8
1/4-19
3/4
1.26
.256
6-3/8
PLPHBF4-B
3/8
3/8-19
7/8
1.26
.312
6-1/2
PLPHBF4-B
3/8
1/2-14
1-1/16
1.26
.312
8-3/8
PLPHBF4-B
1/2
3/8-19
7/8
1.41
.452
8-1/2
PLPHBF4-B
1/2
1/2-14
1-1/16
1.37
.452
D
L
C Hex
FPB Male Connector NPT
Part
No.
tube
SIZE (MM)
NPT
C
HEX
L
P
INT.
HEX
W68PLP-5/32-2*
4
1/8-27 7/16"
21.7
9.7
-
W68PLP-5/32-4*
4
1/4-18 9/16"
28.1
14.2
-
FPB6-1/8
6
1/8-27
14
26.0
10.1
4
FPB6-1/4
6
1/4-18
14
28.5
14.6
4
FPB10-1/4
10
1/4-18
19
40.0
14.6
8
FPB10-3/8
10
3/8-18
19
34.0
14.6
8
FPB12-3/8
12
3/8-18
22
36.5
14.6
10
*
Comes with green release button
L
C
P
68
LFR Male Connector UNF
Part
No.
Tube
Size
c
unf
e
in
f
mm
h
in
k
in
68
LFR-2-0
1/8
10-32
.13
2.0
.49
.32
68
LFR-5/32-0
5/32
10-32
.13
2.0
.54
.34
68
LFR-4-1
1/4
1/16
-
3.0
.63
.42
68
LFR-4-0
1/4
10-32
.13
2.0
.64
.46
68
LFR-4-M5
1/4
M5
.14
2.5
.65
.41
68
LFR-4-M7
1/4
M7
.18
4.0
.65
.41
68
LFR Male Connector Metric Straight Thread
Part
No.
Tube
Size
c
unf
e
mm
f
mm
h
mm
k
mm
68
LFR-4M-M7
4
M7X1
4.6
3
14
9.95
68
LFR-6M-M7
6
M7X1
4.6
3
16
9.90
W68LF Male Connector BSPT
Part
No.
Tube
Size
c
bspt
F1
mm
F2
mm
h
in
k
in
W68LF-2-2R
1/8
1/8
10
2
.335
.433
W68LF-5/32-2R
5/32
1/8
10
3
.370
.430
W68LF-5/32-4R
5/32
1/4
14
3
.260
.590
W68LF-3-2R
3/16
1/8
11
3
.610
.510
W68LF-3-4R
3/16
1/4
14
3
.590
.650
W68LF-4-2R
1/4
1/8
11
4
.472
.472
W68LF-4-4R
1/4
1/4
14
4
.374
.591
W68LF-5-2R
5/16
1/8
13
5
.790
.550
W68LF-5-4R
5/16
1/4
14
6
.670
.590
W68LF-5-6R
5/16
3/8
17
6
.510
.730
W68LF-5-8R
5/16
1/2
21
6
.470
.910
W68LF-6-4R
3/8
1/4
16
7
.807
.689
W68LF-6-6R
3/8
3/8
17
7
.650
.728
W68LF-6-8R
3/8
1/2
21
7
.551
.906
W68LF-8-4R
1/2
1/4
22
6
1.060 .945
W68LF-8-6R
1/2
3/8
22
7
1.020 .945
W68LF-8-8R
1/2
1/2
24
7
.807 1.020