Diagnostic Products
Quick Coupling Division
8145 Lewis Road • Minneapolis, MN 55427
www.parker.com/quickcouplings
F-20
F
Diagnostic
Test Port Couplings
PD Series
Nipples
Bulkhead Triple-Lok
Tube End Nipples*
Triple-Lok
PD — — BTX
Seal-Lok
PD — — BTL
A
B
Bulkhead Seal-Lok
D
E
F
G
D
E
F
G
A
B
A
B
A
B
Body
Part
Dimensions (in.)
Size
No.
Tube
Overall
Exposed Wt. (LB.)
(in.)
Steel
Size
Length
Length P/Piece
A
B
1/8 PD34BTX
1/4
1.64
0.94
0.10
1/8 PD36BTX
3/8
1.66
0.96
0.09
A
B
1/8 PD38BTX
1/2
1.17
0.47
0.12
1/8 PD312BTX
3/4
1.39
0.69
0.27
* Tube end nipples are designed to meet the performance standards of the tube
or hose fitting connection, which may or may not meet SAE J1502 Standards.
Body Part
Dimensions (in.)
Size No.
Thread Tube Overall Exposed Hex Largest Wt. (LB.)
(in.) Steel
Size
Size Length Length Size Diameter P/Piece
D E
F
G
1/8 PD345 7/16-20 1/4
2.92 2.22 0.81 0.94 0.19
1/8 PD355 1/2-20 5/16 2.92 2.22 0.81 0.94 0.19
1/8 PD365 9/16-18 3/8
3.00 2.30 0.81 0.94 0.20
Body Part
Dimensions (in.)
Size No.
Thread Tube Overall Exposed Hex Largest Wt. (LB.)
(in.) Steel
Size
Size Length Length Size Diameter P/Piece
D E
F
G
1/8 PD346 9/16-18 1/4
2.98 2.27 0.81 0.94
–
1/8 PD366 11/16-16 3/8
3.08 2.37 1.00 1.16
–
1/8 PD386 13/16-16 1/2
3.18 2.47 1.12 1.30
–
Body
Part
Dimensions (in.)
Size
No.
Tube
Overall
Exposed Wt. (LB.)
(in.)
Steel
Size
Length
Length P/Piece
A
B
1/8 PD34BTL
1/4
2.18
1.48
0.12
1/8 PD36BTL
3/8
2.30
1.60
0.14
A
B
1/8 PD38BTL
1/2
1.57
0.83
0.13
1/8 PD310BTL
5/8
1.16
0.46
0.19
* Tube end nipples are designed to meet the performance standards of the tube
or hose fitting connection, which may or may not meet SAE J1502 Standards.
Note: Add -6 to part number to include dust cap, for example PD343-6