Parker Hannifin Corporation
Fluid System Connectors
Otsego, Michigan
TrueSeal™ Thermoplastic Push-In Fittings
12
MRS - Male Run Swivel
Tube-to-Pipe
GRAY
ACETAL
EPDM
SEAL
WHITE
POLYPROPYLENE
EPDM
SEAL
NATURAL
KYNAR
FCBSEAL
NOM
TUBE
O.D.
NPTF
THD
SIZE
C
HEX L M N
D
THRU
HOLE
MIN.
A4MRS2-MG PP4MRS2 F4MRS2 1/4 1/8 9/16 1.55 0.81 0.85 .175
A4MRS4-MG PP4MRS4 F4MRS4 1/4 1/4 11/16 1.67 0.81 0.85 .175
A5MRS2-MG
5/16 1/8 9/16 1.78 1.02 1.02 .188
A5MRS4-MG
5/16 1/4 11/16 1.90 1.02 1.02 .188
A5MRS6-MG
5/16 3/8 13/16 1.90 1.02 1.02 .188
A6MRS4-MG PP6MRS4 F6MRS4 3/8 1/4 13/16 1.90 1.02 1.02 .250
A6MRS6-MG PP6MRS6 F6MRS6 3/8 3/8 13/16 1.90 1.02 1.02 .250
A8MRS4-MG
1/2 1/4 13/16 2.10 1.20 1.20 .240
A8MRS6-MG PP8MRS6
1/2 3/8 13/16 2.10 1.20 1.20 .375
A8MRS8-MG PP8MRS8
1/2 1/2 1 2.32 1.20 1.20 .375
*
Part consists of tee union and tube stem adaptor.
Note: Assemblies with metal gripper collets are permanent.
Assemblies with plastic collets can be taken apart.
M
D
C HEX
N
L
TMC - Tube Stem Adapter
Tube Stem-to-Pipe
GRAY
ACETAL
EPDM
SEAL
WHITE
POLYPROPYLENE
EPDM
SEAL
NATURAL
KYNAR
FLUOROCARBON
SEAL
NOM.
TUBE
O.D.
NPTF
THREAD
SIZE
C
HEX
L
OVERALL
LENGTH
D
THRU
HOLE
MIN.
A4TMC2 PP4TMC2
F4TMC2
1/4 1/8 9/16 1.44 .175
A4TMC4 PP4TMC4
F4TMC4
1/4 1/4 11/16 1.56 .175
A5TMC2
5/16 1/8 9/16
1.5 .188
A5TMC4
5/16 1/4 11/16 1.67 .188
A5TMC6
5/16 3/8 13/16 1.67 .188
A6TMC4 PP6TMC4
F6TMC4
3/8 1/4 13/16 1.70 .250
A6TMC6 PP6TMC6
F6TMC6
3/8 3/8 13/16 1.70 .250
A8TMC4
1/2 1/4 13/16 1.82 .240
A8TMC6 PP8TMC6
1/2 3/8 13/16 1.82 .375
A8TMC8 PP8TMC8
1/2 1/2
1
2.04 .375
C HEX
D
L
CU - Cross
Tube-to-Tube
GRAY
ACETAL
NOM
TUBE
O.D.
M
D
THRU HOLE
MIN.
A4CU4-MG
1/4
.91
.175
A6CU6-MG
3/8
1.08
.250
L
D
RD - Tube Reducer
Tube-to-Tube Stem
GRAY
ACETAL
EPDM
SEAL
WHITE
POLYPROPYLENE
EPDM
SEAL
NATURAL
KYNAR
FLUOROCARBON
SEAL
NOM.
TUBE
O.D.
TUBE
STEM
O.D.
L
D
THRU
HOLE
MIN.
A4RD5-MG PP4RD5
1/4 5/16 1.62 .18
A4RD6-MG PP4RD6
1/4
3/8 1.62 .18
A5RD6-MG
5/16 3/8 1.78 .25
A5RD8-MG
5/16 1/2 1.90 .25
A6RD8-MG
3/8
1/2 1.90 .25
For nonstandard plastic collet, remove -MG suffix.
CAP - Tube Cap
GRAY
ACETAL
EPDM
SEAL
WHITE
POLYPROPYLENE
EPDM
SEAL
NATURAL
KYNAR
FLUOROCARBON
SEAL
NOM.
TUBE
O.D.
L
OVERALL
LENGTH
A4CAP-MG
PP4CAP
F4CAP
1/4
0.77
A6CAP-MG
PP6CAP
3/8
0.88
For nonstandard plastic collet, remove -MG suffix.
L
TCB - Tube-to-Barb Connector
Tube-to-Barb
GRAY
ACETAL
WHITE
POLYPROPYLENE
NATURAL
KYNAR
TUBE
STEM
O.D.
BARB
I.D.
L
OVERALL
LENGTH
D
THRU
HOLE
MIN.
A4TCB4
PP4TCB4
F4TCB4
1/4
1/4
1.67
.140
A6TCB4
F6TCB4
3/8
1/4
1.82
.140
A6TCB6
PP6TCB6
F6TCB6
3/8
3/8
1.98
.250
A8TCB6
1/2
3/8
2.10
.250
A8TCB8
1/2
1/2
2.10
.375
D
L
Disconnect
First, depress the manual release
button, then pull the tubing out of
the fitting.
Connect
Simply push the tubing until it
bottoms out. Holding and sealing
is accomplished instantaneously.