Parker Hannifin Corporation
Fluid System Connectors
Otsego, Michigan
H6
Catalog 3501E
45
° Flare Fittings
*
Comes standard with thread protectors
Flare to Solder 43F
Ref. SAE 010104
Part No.
tube size SOLDER
OD
straight
thread c hex
L
flow
dia. D
43
F-4-4
1/4
1/4
7/16-20
7/16
.98
.189
43
F-4-5
1/4
5/16
7/16-20
7/16
.98
.189
43
F-4-6
1/4
3/8
7/16-20
1/2
.98
.189
43
F-6-4
3/8
1/4
5/8-18
5/8
1.17
.189
43
F-6-5
3/8
5/16
5/8-18
5/8
1.17
.252
43
F-6-6
3/8
3/8
5/8-18
5/8
1.17
.282
43
F-6-8
3/8
1/2
5/8-18
5/8
1.23
.282
43
F-6-10
3/8
5/8
5/8-18
3/4
1.36
.282
43
F-8-6
1/2
3/8
3/4-16
3/4
1.36
.314
43
F-8-8
1/2
1/2
3/4-16
3/4
1.42
.407
43
F-8-10
1/2
5/8
3/4-16
3/4
1.54
.407
43
F-10-8
5/8
1/2
7/8-14
7/8
1.60
.440
43
F-10-10
5/8
5/8
7/8-14
7/8
1.73
.501
43
F-10-12*
5/8
3/4
7/8-14
7/8
1.86
.501
43
F-12-12*
3/4
3/4
1-1/16-14 1-1/16
2.04
.626
43
F-12-14*
3/4
7/8
1-1/16-14 1-1/16
2.17
.626
L
D
C HEX
L
D
C HEX
1
1
D
2
L
D
C HEX
L
D
C HEX
L
D
C HEX
Long Nut 41FL
Ref. SAE 010111
Part No.
tube size
straight
thread c hex
d
l
41
FL-2
1/8
5/16-24
3/8
.133
.75
41
FL-3
3/16
3/8-24
7/16
.195
.81
41
FL-4
1/4
7/16-20 9/16
.257
.94
41
FL-5
5/16
1/2-20
5/8
.320
1.12
41
FL-6
3/8
5/8-18
3/4
.382
1.31
41
FL-8
1/2
3/4-16
7/8
.507
1.62
41
FL-10
5/8
7/8-14 1-1/16 .632
1.88
41
FL-12
3/4
1-1/16-14 1-1/4
.757
2.19
Short Nut 41FS / Shorter
Nut 41FX
Ref. SAE 010110
Part No.
tube
size straight thread
c hex
d
l
41
FS-2
1/8
5/16-24
3/8
.132
.50
41
FS-3
3/16
3/8-24
7/16
.195
.62
41
FS-4
1/4
7/16-20
9/16
.257
.75
41
FS-5
5/16
1/2-20
5/8
.320
.88
41
FS-6
3/8
5/8-18
3/4
.382
1.00
41
FX-6
3/8
5/8-18
3/4
.382
.91
41
FS-8
1/2
3/4-16
7/8
.507
1.12
41
FX-8
1/2
3/4-16
7/8
.507
1.00
41
FS-10
5/8
7/8-14
1-1/16
.632
1.31
41
FX-10
5/8
7/8-14
1-1/16
.632
1.06
41
FX-12
3/4
1-1/16-14
1-1/4
.757
1.17
41
FS-12
3/4
1-1/16-14
1-1/4
.757
1.50
41
FS-14
7/8
1-1/4-12
1-1/2
.882
1.62
Union 42F
Ref. SAE 010101 *Thread Protectors
Part No.
tube size
straight
thread
c hex
l
D
42
F-2
1/8
5/16-24
5/16
.90
.079
42
F-3
3/16
3/8-24
3/8
1.04
.125
42
F-4
1/4
7/16-20
7/16
1.17
.189
42
F-5
5/16
1/2-20
1/2
1.32
.220
42
F-6
3/8
5/8-18
5/8
1.48
.282
42
F-8
1/2
3/4-16
3/4
1.79
.407
42
F-10
5/8
7/8-14
7/8
2.10
.501
42
F-12*
3/4
1-1/16-14
1-1/16
2.42
.626
42
F-14*
7/8
1-1/4-12
1-1/4
2.72
.751
Union Reducers 42F
Ref. SAE 010101
Part No. 1 tube
size
2
tube
size
1
straight
thread
2
straight
thread
c
hex l
flow
dia.
d1
flow
dia.
d2
42
F-6-4
1/4
3/8 7/16-20 5/8-18 5/8 1.36 .189 .282
42
F-6-5 5/16
3/8
1/2-20
5/8-18 5/8 1.42 .220 .282
42
F-8-4
1/4
1/2 7/16-20 3/4-16 3/4 1.54 .189 .407
42
F-8-6
3/8
1/2
5/8-18
3/4-16 3/4 1.67 .282 .407
42
F-10-6 3/8
5/8
5/8-18
7/8-14 7/8 1.86 .282 .501
42
F-10-8 1/2
5/8
3/4-16
7/8-14 7/8 1.98 .407 .501