Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN 55427
38
Quick Coupling Products
Double Shut-Off Couplings
DM Series
D
E
F
G
Nipples
Female Pipe Thread
A
C
B
Couplers
Female Pipe Thread
A
C
B
Male Pipe Thread
D
E
G
F
Male Pipe Thread
*
This dimension represents the portion that is exposed when a nipple is inserted
into a Parker DM Series coupler.
Body
Thread
Dimensions (in.)
Size
Part
Size Overall
Hex Largest Wt. (LB)
(
in.)
No.
NPTF Length Size Diameter P/Price
A B C
1/8
DM-121-2FP 1/8-27 1.42 0.55 0.63 .06
1/8
DM-121-4FP 1/4-18 1.81 0.67 0.78 .10
Body
Thread
Dimensions (in.)
Size
Part
Size
Overall
Hex Largest Wt. (LB)
(
in.)
No.
NPTF Length Size Diameter P/Price
A B C
1/8
DM-121-2MP 1/8-27 1.50 0.55 0.63 .06
1/8
DM-121-4MP 1/4-18 1.61 0.55 0.63 .07
Body
Thread
Dimensions (in.)
Size
Part
Size Overall Exposed Hex Largest Wt. (lb)
(
in.)
No.
NPTF Length Length* Size Diameter P/Price
D E F G
1/8
DM-122-2FP 1/8-27 1.56 1.03 0.55 0.63 .05
1/8
DM-122-4FP 1/4-18 1.97 1.44 0.67 0.78 .09
Body
Thread
Dimensions (in.)
Size
Part
Size Overall Exposed Hex Largest Wt. (lb)
(
in.)
No.
NPTF Length Length* Size Diameter P/Price
D E F G
1/8
DM-122-2MP 1/8-27 1.65 1.12 0.55 0.63 .05
1/8
DM-122-4MP 1/4-18 1.77 1.24 0.55 0.63 .06
*
This dimension represents the portion that is exposed when a nipple is inserted
into a Parker DM Series coupler.