I7
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
4300
Catalog
K4 BSP Adapters
Dimensions and pressures for reference only, subject to change.
FMK4
NPTF Male Connector
60
° Cone / NPT
Mates with 92, B1, B2 and B4 style
hose fitting
F3MK4
BSPT Male Connector
60
° Cone / BSPT
Mates with 92, B1, B2 and B4 style
hose fitting
G4MK4
BSPP Female Connector
60
° Cone / BSPP
Mates with 92, B1, B2 and B4 style
hose fitting
PNMK4
Hex Plug
60
° Cone
Mates with 92, B1, B2 and B4 style hose fitting
TUBE
FITTING
PART #
END SIZE
C
HEX
(
mm)
L
(
mm)
Dynamic
Pressure
(
x 1,000 PSI)
1
BSPP
S
2
PNMK4
1/8 - 28
14
14.3
5.1
4
PNMK4
1/4 - 19
19
18.8
5.1
6
PNMK4
3/8 - 19
22
20.5
5.1
8
PNMK4
1/2 - 14
27
24.0
2.9
10
PNMK4
5/8 - 14
30
24.0
2.9
12
PNMK4
3/4 - 14
32
26.5
2.9
16
PNMK4
1 - 11
41
30.2
1.7
20
PNMK4
1 1/4 - 11
50
38.7
1.5
24
PNMK4
1 1/2 - 11
55
42.7
1.5
32
PNMK4
2 - 11
70
48.2
1.0
TUBE
FITTING
PART #
END SIZE
C
HEX
(
mm)
L
(
mm)
Dynamic
Pressure
(
x 1,000 PSI)
1
BSPP
2
NPTF
S
2
FMK4
1/8 - 28 1/8 - 27 14 24.4
5.1
2-4
FMK4
1/8 - 28 1/4 - 18 19 28.9
5.1
4
FMK4
1/4 - 19 1/8 - 18 19 28.9
5.1
4-4
FMK4
1/4 - 19 1/4 - 18 19 33.4
5.1
4-6
FMK4
1/4 - 19 3/8 - 18 19 33.6
5.1
6
FMK4
3/8 - 19 1/4 - 18 22 35.1
5.1
6-6
FMK4
3/8 - 19 3/8 - 18 22 35.1
5.1
6-8
FMK4
3/8 - 19 1/2 - 14 22 39.9
5.1
8
FMK4
1/2 - 14 3/8 - 18 27 38.6
2.9
8-8
FMK4
1/2 - 14 1/2 - 14 27 43.4
2.9
8-12
FMK4
1/2 - 14 3/4 - 14 27 43.9
2.9
12-8
FMK4
3/4 - 14 1/2 - 14 32 45.9
2.9
12
FMK4
3/4 - 14 3/4 - 14 32 45.9
2.9
12-16
FMK4
3/4 - 14 1 - 11 1/2 36 50.8
2.9
16-12
FMK4
1 - 11
3/4 - 14 41 49.6
1.7
16
FMK4
1 - 11 1 - 11 1/2 41 54.5
1.7
TUBE
FITTING
PART #
END SIZE
C
HEX
(
mm)
L
(
mm)
Dynamic
Pressure
(
x 1,000 PSI)
1
BSPP
2
BSPT
S
2
F3MK4
1/8 - 28 1/8 - 28 14 24.4
5.1
2-4
F3MK4
1/8 - 28 1/4 - 19 14 28.9
5.1
4
F3MK4
1/4 - 19 1/8 - 28 19 28.9
5.1
4-4
F3MK4
1/4 - 19 1/4 - 19 19 33.4
5.1
4-6
F3MK4
1/4 - 19 3/8 - 19 19 33.4
5.1
6
F3MK4
3/8 - 19 1/4 - 19 22 35.1
5.1
6-6
F3MK4
3/8 - 19 3/8 - 19 22 35.1
5.1
6-8
F3MK4
3/8 - 19 1/2 - 14 22 39.9
2.9
8
F3MK4
1/2 - 14 3/8 - 19 27 38.6
5.1
8-8
F3MK4
1/2 - 14 1/2 - 14 22 43.4
2.9
10
F3MK4
5/8 - 14 1/2 - 14 27 45.9
2.9
10-12
F3MK4
5/8 - 14 3/4 - 14 30 45.9
2.9
12
F3MK4
3/4 - 14 3/4 - 14 30 45.9
2.9
12-8
F3MK4
3/4 - 14 1/2 - 14 32 46.0
1.7
12-16
F3MK4
3/4 - 14
1 - 11
36 50.8
1.7
16
F3MK4
1 - 11
1 - 11
41 54.5
1.7
16-12
F3MK4
1 - 11
3/4 - 14 41 49.6
1.7
20
F3MK4
1 1/4 - 11 1 1/4 - 11 50 63.7
1.5
24
F3MK4
1 1/2 - 11 1 1/2 - 11 55 68.5
1.5
TUBE
FITTING
PART #
END SIZE
C
HEX
(
mm)
L
(
mm)
Dynamic
Pressure
(
x 1,000 PSI)
1
BSPP
2
BSPP
S
6
G4MK4
3/8 - 19 1/4 - 19 22 37.1
5.1
6-6
G4MK4
3/8 - 19 3/8 - 19 23 36.9
1.7
8-4
G4MK4
1/2 - 14 1/4 - 19 27 38.0
2.9
8
G4MK4
1/2 - 14 3/8 - 19 30 45.3
2.9
12-4
G4MK4
3/4 - 14 1/4 - 19 32 40.0
2.9
12-6
G4MK4
3/4 - 14 3/8 - 19 32 41.6
2.9
12-8
G4MK4
3/4 - 14 1/2 - 14 32 47.3
2.9
16-4
G4MK4
1 - 11
1/4 - 19 41 43.0
1.7
16-6
G4MK4
1 - 11
3/8 - 19 41 44.6
1.7
16-8
G4MK4
1 - 11
1/2 - 14 41 50.3
1.7
16-12
G4MK4
1 - 11
3/4 - 14 41 52.2
1.7