Diagnostic Products
Quick Coupling Division
8145 Lewis Road • Minneapolis, MN 55427
www.parker.com/quickcouplings
F-19
F
Diagnostic
Body
Female Female
Dimensions (in.)
Size
Part
Thread Thread Overall Wrench Largest Wt. (LB.)
(in.)
No.
NPTF
ORB Length Flats Diameter P/Piece
A B C
1/8
PD222
1/8-27
–
1.67 0.81 0.96 0.20
1/8
PD240
–
7/16-20 2.12 0.81 0.96 0.26
1/8
PD242
1/4-18
–
2.12 0.81 0.96 0.25
1/8 SSPD242Y** 1/4-18
–
2.12 0.81 0.96 0.25
1/8
PD260
–
9/16-18 2.12 0.81 0.96 0.24
Test Port Couplings
PD Series
Couplers
Female Thread
Male Straight Thread
Metric Thread
Male Pipe Thread
Nipples
Female Pipe Thread
Male Thread
A
C
B
D
E
G
F
D
E
F
G
D
E
G
F
F
D
E
G
A
C
B
Body
Thread
Dimensions (in.)
Size Part
Size
Overall
Exposed
Hex Largest Wt. (LB.)
(in.s)
No.
Metric Length Length
Size Diameter P/Piece
D
E
F
G
1/8 PD357 M10 x 1.0 1.80
1.10
0.69 0.79 0.17
1/8 PD3107 M16 x 1.5 1.54
0.84
0.88 1.01 0.08
1/8 PD3127 M18 x 1.5 1.60
0.90
0.94 1.08 0.09
1/8 PD3147 M20 x 1.5 1.50
0.80
0.75 0.87 0.07
Body
Thread
Dimensions (in.)
Size Part
*
Size
Overall
Exposed
Hex Largest Wt. (LB.)
(in.)
No.
ORB Length Length
Size Diameter P/Piece
D
E
F
G
1/8 PD331 3/8-24
1.80
1.10
0.69 0.79
0.17
1/8 PD341 7/16-20 1.60
0.90
0.69 0.79
0.08
1/8 PD351 1/2-20
1.32
0.62
0.63 0.72
0.05
1/8 PD361 9/16-18 1.32
0.62
0.69 0.79
0.06
Body
Thread
Dimensions (in.)
Size Part
Size
Overall
Exposed
Hex Largest Wt. (LB.)
(in.)
No.
NPTF Length Length
Size Diameter P/Piece
D
E
F
G
1/8 PD323 1/8-27
1.55
0.85
0.69 0.79
0.17
1/8 BPD323Y* 1/8-27
1.44
0.74
0.63 0.72
0.17
1/8 BPD343Y* 1/4-18
1.48
0.78
0.69 0.79
0.06
1/8 PD343 1/4-18
1.48
0.78
0.69 0.79
0.06
1/8 SSPD343Y** 1/4-18
1.48
0.78
0.69 0.79
0.06
1/8 PD363 3/8-18
1.50
1.13
0.81 0.96
0.09
Body
Thread
Dimensions (in.)
Size Part
Size
Overall
Exposed
Hex Largest Wt. (LB.)
(in.)
No.
NPTF Length Length
Size Diameter P/Piece
D
E
F
G
1/8 PD322 1/8-27 1.48
0.78
0.56 0.65 0.06
1/8 PD342 1/4-18 1.63
0.93
0.75 0.87 0.12
Body
Male
Male
Dimensions (in.)
Size
Part
Thread Thread Overall Wrench Largest Wt. (LB.)
(in.)
No.
NPTF
ORB Length Flats Diameter P/Piece
A B C
1/8
PD243
1/4-18
–
2.26 0.81 0.96 0.23
* Note: Add -6 to part number to include dust cap, for example PD343-6
* BPD designates brass body, Fluorocarbon seal standard
** SSPD designates 316SS body, Fluorocarbon seal standard