Parker Hannifn Corporation
Parker Brass Products Division
Otsego, Michigan
Catalog 3501E
Inverted Flare Fittings
E15
E
Nut 41IF
Ref. SAE 040110
Part
tube
straight
c
d
No.
size
thread
hex
l
d
41IF-2
1/8
5/16-28
5/16
.52
.133
41IF-3
3/16
3/8-24
3/8
.56
.196
41IF-4
1/4
7/16-24
7/16
.56
.259
41IF-5
5/16
1/2-20
1/2
.62
.321
41IF-6
3/8
5/8-18
5/8
.66
.384
41IF-8
1/2
3/4-18
3/4
.74
.508
Steel Nut–Zinc Chromate 41IFS
Ref. SAE 040110
Part
tube
straight
c
d
No.
size
thread
hex
l
d
41IFS-3
3/16
3/8-24
3/8
.56
.196
41IFS-4
1/4
7/16-24
7/16
.56
.259
41IFS-5
5/16
1/2-20
1/2
.62
.321
41IFS-6
3/8
5/8-18
5/8
.66
.384
41IFS-8
1/2
3/4-18
3/4
.74
.508
41IFS-10
5/8
7/8-18
7/8
.80
.633
41IFS-12
3/4
1-1/16-16
1-1/16
.88
.759
Piloted Nut 41IFF for Single Flared Tubing
Ref. SAE 040110
Part
tube straight
c
No.
size
thread
hex
l
d
41IFF-2
1/8
5/16-28
5/16
.52
.133
41IFF-3
3/16
3/8-24
3/8
.56
.196
41IFF-4
1/4
7/16-24
7/16
.56
.259
41IFF-5
5/16
1/2-20
1/2
.62
.321
41IFF-6
3/8
5/8-18
5/8
.66
.384
41IFF-8
1/2
3/4-18
3/4
.74
.508
Union 42IFHD
Ref. SAE 040101
Part
tube straight
c
D
No.
size
thread
hex
l
D
42IFHD-2
1/8
5/16-28 13/32
.60
.078
42IFHD-3 3/16
3/8-24
15/32
.63
.125
42IFHD-4
1/4
7/16-24 17/32
.63
.189
42IFHD-5 5/16
1/2-20
19/32
.71
.220
42IFHD-6
3/8
5/8-18
3/4
.81
.282
42IFHD-8
1/2
3/4-18
29/32
.92
.407
Female Connector 46IFHD
Ref. SAE 040103
Part
tube
pipe
straight
c
flow
No.
size
thread
thread
hex
l
dia. d
46IFHD-3-2
3/16
1/8
3/8-24
1/2
.76
.125
46IFHD-4-2
1/4
1/8
7/16-24 17/32 .78
.189
46IFHD-5-2
5/16
1/8
1/2-20
19/32 .79
.220
46IFHD-6-4
3/8
1/4
5/8-18
3/4 1.04
.282
46IFHD-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