Parker Hannifin Corporation
Fluid System Connectors
Otsego, Michigan
H12
Catalog 3501E
Inverted Flared Fittings
Female Connector 46IFHD
Ref. SAE 040103
Part
No.
tube
size
pipe
thread
straight
thread
c
hex
l
flow
dia. d
46
IFHD-3-2
3/16
1/8
3/8-24
1/2
.76
.125
46
IFHD-4-2
1/4
1/8
7/16-24 17/32
.78
.189
46
IFHD-5-2
5/16
1/8
1/2-20
19/32
.79
.220
46
IFHD-6-4
3/8
1/4
5/8-18
3/4
1.04
.282
46
IFHD-8-6
1/2
3/8
3/4-18
29/32
1.10
.407
D
L
C HEX
D
L
C HEX
D
L
C HEX
D
L
C HEX
D
L
C HEX
D
L
C HEX
M
N
D
L
Nut 41IF
Ref. SAE 040110
Part
No.
tube
size
straight
thread
c
hex
l
d
41
IF-2
1/8
5/16-28
5/16
.52
.133
41
IF-3
3/16
3/8-24
3/8
.56
.196
41
IF-4
1/4
7/16-24
7/16
.56
.259
41
IF-5
5/16
1/2-20
1/2
.62
.321
41
IF-6
3/8
5/8-18
5/8
.66
.384
41
IF-8
1/2
3/4-18
3/4
.74
.508
Steel Nut–Zinc
Chromate 41IFS
Ref. SAE 040110
Part No.
tube size
straight
thread
c hex
l
d
41
IFS-3
3/16
3/8-24
3/8
.56
.196
41
IFS-4
1/4
7/16-24
7/16
.56
.259
41
IFS-5
5/16
1/2-20
1/2
.62
.321
41
IFS-6
3/8
5/8-18
5/8
.66
.384
41
IFS-8
1/2
3/4-18
3/4
.74
.508
41
IFS-10
5/8
7/8-18
7/8
.80
.633
41
IFS-12
3/4
1-1/16-16
1-1/16
.88
.759
Piloted Nut 41IFF for
Single Flared Tubing
Ref. SAE 040110
Part No.
tube size
straight
thread
c hex
l
d
41
IFF-2
1/8
5/16-28
5/16
.52
.133
41
IFF-3
3/16
3/8-24
3/8
.56
.196
41
IFF-4
1/4
7/16-24
7/16
.56
.259
41
IFF-5
5/16
1/2-20
1/2
.62
.321
41
IFF-6
3/8
5/8-18
5/8
.66
.384
41
IFF-8
1/2
3/4-18
3/4
.74
.508
Union 42IFHD
Ref. SAE 040101
Part No.
tube size
straight
thread
c hex
l
D
42
IFHD-2
1/8
5/16-28
13/32
.60
.078
42
IFHD-3
3/16
3/8-24
15/32
.63
.125
42
IFHD-4
1/4
7/16-24
17/32
.63
.189
42
IFHD-5
5/16
1/2-20
19/32
.71
.220
42
IFHD-6
3/8
5/8-18
3/4
.81
.282
42
IFHD-8
1/2
3/4-18
29/32
.92
.407
Male Connector 48IFHD
Ref. SAE 040102
Part No.
tube
size
pipe
thread
straight
thread c hex
l
flow
dia. d
48
IFHD-2-2
1/8
1/8
5/16-28 13/32
.63
.078
48
IFHD-3-2
3/16
1/8
3/8-24
15/32
.70
.125
48
IFHD-4-2
1/4
1/8
7/16-24 17/32
.74
.189
48
IFHD-4-4
1/4
1/4
7/16-24
9/16
.89
.189
48
IFHD-5-2
5/16
1/8
1/2-20
19/32
.79
.220
48
IFHD-5-4
5/16
1/4
1/2-20
19/32
.98
.220
48
IFHD-6-2
3/8
1/8
5/8-18
3/4
.89
.220
48
IFHD-6-4
3/8
1/4
5/8-18
3/4
1.03
.282
48
IFHD-6-6
3/8
3/8
5/8-18
3/4
1.03
.282
48
IFHD-8-4
1/2
1/4
3/4-18
29/32
1.07
.346
48
IFHD-8-6
1/2
3/8
3/4-18
29/32
1.07
.407
48
IFHD-8-8
1/2
1/2
3/4-18
29/32
1.26
.407
48
IFHD-10-8
5/8
1/2
7/8-18 1-1/16
1.32
.533
48
IFHD-12-12
3/4
3/4 1-1/16-16 1 1/4
1.38
.626
Union Tee 244IFHD
Ref. SAE 040401
Part No.
tube size straight
thread
L
M
N
flow
dia. d
244
IFHD-3
3/16
3/8-24
1.10
.55
.39
.125
244
IFHD-4
1/4
7/16-24
1.13
.56
.42
.189
244
IFHD-5
5/16
1/2-20
1.26
.63
.45
.220
244
IFHD-6
3/8
5/8-18
1.48
.74
.56
.282
244
IFHD-8*
1/2
3/4-18
1.76
.88
.67
.407
*
Does not meet UL or SAE.