D8
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
Intru-Lok
®
Flareless Bite Type Fittings
4300
Catalog
Dimensions and pressures for reference only, subject to change.
OBI2
Female Branch Tee
Intru-Lok / NPTF
MBI2
Female Run Tee
Intru-Lok / NPTF / Intru-Lok
KBI2
Union Cross
Intru-Lok (all four ends)
PNI
Plug
Intru-Lok
T22I
Mountie
FNI
Cap
Intru-Lok
Typical application
Y* – Across wrench flats
Y* – Across wrench flats
Y* – Across wrench flats
TUBE
FITTING
PART #
TUBE
O.D.
(
in.)
T
TUBE END
UN/UNF-2A
L
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
-
B
4
T22I
1/4
1/4 - 20
0.81
1.5
6
T22I*
3/8
1/4 - 20
0.81
1.5
TUBE
FITTING
PART #
TUBE
O.D.
(
in.)
C
HEX
(
in.)
L5
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
-
B
2
FNI
1/8
3/8
0.36
1.5
3
FNI
3/16
7/16 0.34
1.5
4
FNI
1/4
1/2
0.44
1.5
5
FNI
5/16
9/16 0.45
1.5
6
FNI
3/8
5/8
0.45
1.5
8
FNI
1/2
7/8
0.58
1.5
TUBE
FITTING
PART #
END SIZE
M1
(
in.)
N1
(
in.)
Y1
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1
(
in.)
2
(
in.)
3
NPTF
-
B
4
OBI2
1/4 1/4 1/8 - 27 0.72 0.53 9/16
1.5
4-4-4
OBI2
1/4 1/4 1/4 - 18 0.86 0.69 3/4
1.5
6
OBI2
3/8 3/8 1/4 - 18 0.92 0.69 3/4
1.5
8
OBI2
1/2 1/2 3/8 - 18 1.09 0.81 7/8
1.5
TUBE
FITTING
PART #
END SIZE
M
(
in.)
Y
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1
(
in.)
2
(
in.)
3
(
in.)
4
(
in.)
-
B
4
KBI2
1/4 1/4 1/4 1/4 0.66 7/16
1.5
6
KBI2
3/8 3/8 3/8 3/8 0.78 1/2
1.5
TUBE
FITTING
PART #
TUBE
O.D.
(
in.)
T
TUBE END
UN/UNF-2A
C
HEX
(
in.)
L3
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
-
B
4
PNI
1/4
7/16 - 20 7/16 0.50
1.5
5
PNI
5/16
1/2 - 20
1/2
0.52
1.5
6
PNI
3/8
9/16 - 18 9/16 0.59
1.5
8
PNI
1/2
3/4 - 16
3/4
0.67
1.5
TUBE
FITTING
PART #
END SIZE
M1
(
in.)
N1
(
in.)
Y1
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1
(
in.)
2
NPTF
3
(
in.)
-
B
4
MBI2
1/4 1/8 - 27 1/4 0.72 0.53 9/16
1.5
6
MBI2
3/8 1/4 - 18 3/8 0.92 0.69 3/4
1.5
*
Non standard