Parker Hannifin Corporation
Fluid System Connectors
Otsego, Michigan
C19
Catalog 3501E
TrueSealâ„¢ Thermoplastic Push-In Fittings
NOTE: PPL refers to Polypropylene. FCB refers to Fluorocarbon.
BU - Bulkhead Union
Tube-to-Tube
Gray
Acetal
EPDM
Seal
White
PPL
EPDM
Seal
Natural
Kynar
FCB Seal
Nom.
Tube
O.D.
C1
Hex
C2
Hex
L
Overall
Length
P
Max.
Wall
Thk.
D
Thru
Hole
Min.
Bkhd
Hole
Drill
Size
A4BU4-MG PP4BU4 F4BU4 1/4 15/16 15/16 1.50 .50 .175 7/8
A5BU5-MG
5/16 1-1/16 1-1/16 1.75 .62 .188 1
A6BU4-MG PP6BU4
3/8-1/4 1-1/16 1-1/16 1.75 .62 .175 1
A6BU6-MG PP6BU6 F6BU6 3/8 1-1/16 1-1/16 1.75 .62 .250 1
A8BU8-MG
1/2 1-1/4 1-1/4 2.04 .70 .375 1-1/8
For nonstandard plastic collet, remove -MG suffix.
C
D
P
MAX
L
TEU - Tube Elbow Union
Tube-to-Tube Stem
Gray
Acetal
EPDM
Seal
White
PPL EPDM
Seal
Natural
Kynar
FCB Seal
Nom.
Tube
O.D.
Tube
Stem
O.D.
M N
D
Thru
Hole
Min.
A4TEU4-MG PP4TEU4
F4TEU4
1/4 1/4 .84 1.21 .125
A4TEU6-MG
F4TEU6
1/4 3/8 .84 1.35 .125
A5TEU5-MG
5/16 5/16 1.03 1.40 .188
A6TEU4-MG
F6TEU4
3/8 1/4 1.03 1.29 .125
A6TEU6-MG PP6TEU6
F6TEU6
3/8 3/8 1.03 1.64 .250
A8TEU8-MG PP8TEU8
1/2 1/2 1.21 1.64 .380
For nonstandard plastic collet, remove -MG suffix.
N
D
M
L
D
RD - Tube Reducer
Tube-to-Tube Stem
Gray
Acetal
EPDM
Seal
White
PPL EPDM
Seal
Natural
Kynar
FCB 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.
FE - Female Elbow
Tube-to-Pipe
Gray
Acetal
EPDM
Seal
White
PpL
EPDM
Seal
Natural
Kynar
FCB Seal
Nom.
Tube
O.D.
NPTF
Thread
Size
M N
D
Thru
Hole
Min.
A4FE4-MG
1/4
1/4
0.84 1.00 .18
A6FE4-MG
3/8
1/4
1.03 1.00 .25
A6FE6-MG
3/8
3/8
1.03 1.00 .25
For nonstandard plastic collet, remove -MG suffix.
M
N
D
CAP - Tube Cap
Gray
Acetal
EPDM
Seal
White
PPL EPDM
Seal
Natural
Kynar
FCB Seal
Nom. Tube
O.D.
L
Overall
Length
A4CAP-MG
PP4CAP
F4CAP
1/4
.77
A6CAP-MG
PP6CAP
3/8
0.88
For nonstandard plastic collet, remove -MG suffix.
L