Parker Hannifin Corporation
Fluid System Connectors
Otsego, Michigan
C33
Catalog 3501E
Par-Barb
®
Thermoplastic Fittings
Hex Nipple 316P
WHITE
NYLON
Part No.
BLACK
POLYPROPYLENE
Part No.
NPT PIPE
THREAD
SIDE 1
NPT PIPE
THREAD
SIDE 2
C
Hex
L
FLOW
DIA. D
316
P-2N
316
P-2PP
1/8
1/8
7/16 .99
.22
316
P-4-2N 316P-4-2PP
1/4
1/8
9/16 1.13
.22
316
P-4N
316
P-4PP
1/4
1/4
9/16 1.24
.31
316
P-6-2N 316P-6-2PP
3/8
1/8
11/16 1.11
.22
316
P-6-4N 316P-6-4PP
3/8
1/4
11/16 1.25
.31
316
P-6N
316
P-6PP
3/8
3/8
11/16 1.23
.43
316
P-8-2N 316P-8-2PP
1/2
1/8
7/8
1.23
.22
316
P-8-4N 316P-8-4PP
1/2
1/4
7/8
1.36
.31
316
P-8-6N 316P-8-6PP
1/2
3/8
7/8
1.35
.43
316
P-8N
316
P-8PP
1/2
1/2
7/8
1.45
.59
316
P-12-6N 316P-12-6PP 3/4
3/8
1– 1/8 1.36
.43
316
P-12-8N 316P-12-8PP 3/4
1/2
1– 1/8 1.47
.59
316
P-12N 316P-12PP
3/4
3/4
1– 1/8 1.48
.74
316
P-16N 316P-16PP
1
1
1– 3/8 1.85
.98
Female Connector 326HB
WHITE NYLON
Part No.
BLACK
POLYPROPYLENE
Part No.
TUBE
OR
HOSE
I.D.
NPT
PIPE
THREAD
O.D.
C
Hex
L
FLOW
DIA.
D
326
HB-3-2N 326HB-3-2PP 3/16 1/8
.25 5/8 1.29 .12
326
HB-3-4N 326HB-3-4PP 3/16 1/4
.25 3/4 1.31 .13
326
HB-4-2N 326HB-4-2PP 1/4
1/8
.31 5/8 1.51 .16
326
HB-4-4N 326HB-4-4PP 1/4
1/4
.31 3/4 1.52 .15
326
HB-4-6N 326HB-4-6PP 1/4
3/8
.31
1 1.73 .15
326
HB-4-8N 326HB-4-8PP 1/4
1/2
.31 1-1/8 1.74 .15
326
HB-6-2N 326HB-6-2PP 3/8
1/8
.44 5/8 1.51 .25
326
HB-6-4N 326HB-6-4PP 3/8
1/4
.43 3/4 1.52 .25
326
HB-6-6N 326HB-6-6PP 3/8
3/8
.43
1 1.73 .25
326
HB-6-8N 326HB-6-8PP 3/8
1/2
.43 1-1/8 1.74 .25
326
HB-8-4N 326HB-8-4PP 1/2
1/4
.55 3/4 1.52 .37
326
HB-8-6N 326HB-8-6PP 1/2
3/8
.55
1 1.74 .37
326
HB-8-8N 326HB-8-8PP 1/2
1/2
.56 1– 1/8 1.74 .37
326
HB-10-6N 326HB-10-6PP 5/8
3/8
.66
1 1.61 .46
326
HB-10-8N 326HB-10-8PP 5/8
1/2
.66 1– 1/8 1.73 .46
326
HB-12-8N 326HB-12-8PP 3/4
1/2
.80 1– 1/8 1.86 .62
326
HB-12-12N 326HB-12-12PP 3/4
3/4
.80 1– 1/8 1.85 .62
Male Connector 325HB
WHITE NYLON
Part No.
BLACK
POLYPROPYLENE
Part No.
TUBE
OR
HOSE
I.D.
NPT
PIPE
thd.
O.D.
C
Hex
L
FLOW
DIA.
D
325
HB-3-2N 325HB-3-2PP 3/16 1/8
.25 7/16 1.49 .12
325
HB-3-4N 325HB-3-4PP 3/16 1/4
.25 9/16 1.61 .13
325
HB-4-2N 325HB-4-2PP 1/4
1/8
.31 7/16 1.50 .15
325
HB-4-4N 325HB-4-4PP 1/4
1/4
.31 9/16 1.60 .16
325
HB-4-6N
1/4
3/8
.31 11/16 1.62 .16
325
HB-4-8N 325HB-4-8PP 1/4
1/2
.31 7/8
1.73 .15
325
HB-4-12N
1/4
3/4
.31 1– 1/8 1.74 .16
325
HB-5-2N
5/16 1/8
.37 7/16 1.50 .22
325
HB-5-4N
5/16 1/4
.37 9/16 1.62 .22
325
HB-5-6N 325HB-5-6PP 5/16 3/8
.37 11/16 1.60 .21
325
HB-6-2N 325HB-6-2PP 3/8
1/8
.43 7/16 1.49 .25
325
HB-6-4N 325HB-6-4PP 3/8
1/4
.43 9/16 1.62 .25
325
HB-6-6N 325HB-6-6PP 3/8
3/8
.43 11/16 1.61 .25
325
HB-6-8N 325HB-6-8PP 3/8
1/2
.43 7/8
1.73 .25
325
HB-6-12N 325HB-6-12PP 3/8
3/4
.43 1– 1/8 1.72 .25
325
HB-8-4N 325HB-8-4PP 1/2
1/4
.55 9/16 1.61 .35
325
HB-8-6N 325HB-8-6PP 1/2
3/8
.55 11/16 1.60 .37
325
HB-8-8N 325HB-8-8PP 1/2
1/2
.55 7/8
1.73 .37
325
HB-8-12N 325HB-8-12PP 1/2
3/4
.55 1– 1/8 1.72 .37
325
HB-10-6N 325HB-10-6PP 5/8
3/8
.66 11/16 1.61 .46
325
HB-10-8N 325HB-10-8PP 5/8
1/2
.66 7/8
1.73 .46
325
HB-10-12N 325HB-10-12PP 5/8
3/4
.67 1– 1/8 1.82 .46
325
HB-12-8N 325HB-12-8PP 3/4
1/2
.80 7/8
1.86 .62
325
HB-12-12N 325HB-12-12PP 3/4
3/4
.80 1– 1/8 1.85 .62
325
HB-12-16N
3/4
1
.82 1– 3/8 2.35 .59
325
HB-12-20N
3/4
1– 1/4 .86 1– 1/2 3.47 .59
325
HB-12-24N
3/4
1– 1/2 .86 1– 3/4 3.66 .59
325
HB-16-8N
1
1/2
1.08 1– 1/8 2.49 .77
325
HB-16-12N
1
3/4
1.07 1– 1/8 2.30 .81
325
HB-16-16N
1
1 1.07 1– 3/8 2.35 .81
325
HB-16-20N
1 1– 1/4 1.11 1– 1/2 3.45 .78
325
HB-16-24N
1 1– 1/2 1.11 1– 3/4 3.63 .78
325
HB-20-20N
1– 1/4 1– 1/4 1.36 1– 1/2 3.47 1.04
325
HB-20-24N
1– 1/4 1– 1/2 1.36 1– 3/4 3.64 1.04
325
HB-24-20N
1– 1/2 1– 1/4 1.60 1– 1/2 3.45 1.28
325
HB-24-24N
1– 1/2 1– 1/2 1.61 1– 3/4 3.63 1.28
L
1
2
D
C
HEX
L
O.D.
D
C
HEX
L
O.D.
D
C
HEX