Parker Hannifn Corporation
Parker Brass Products Division
Otsego, Michigan
A8
Catalog 3501E
A
Compression Fittings
Female Connector 66C
Ref. SAE 060103 BA
Part
tube
pipe
straight
c
flow
No.
size thread thread
hex
l
m
dia. d
66C-2-2
1/8
1/8
5/16-24
9/16
.95
.75
.094
66C-3-2
3/16
1/8
3/8-24
9/16 1.02
.78
.125
66C-3-4
3/16
1/4
3/8-24
11/16 1.20
.96
.125
66C-4-2
1/4
1/8
7/16-24
9/16 1.02
.78
.188
66C-4-4
1/4
1/4
7/16-24 11/16 1.24 1.00
.188
66C-5-2
5/16
1/8
1/2-24
9/16 1.07
.81
.250
66C-5-4
5/16
1/4
1/2-24
11/16 1.29 1.03
.250
66C-6-2
3/8
1/8
9/16-24
9/16 1.06
.78
.312
66C-6-4
3/8
1/4
9/16-24 11/16 1.34 1.06
.312
66C-6-6
3/8
3/8
9/16-24 13/16 1.34 1.06
.312
66C-6-8
3/8
1/2
9/16-24
1
1.54 1.27
.312
66C-7-6
7/16
3/8
5/8-24
13/16 1.43 1.09
.312
66C-8-4
1/2
1/4
11/16-20 11/16 1.49 1.09
.406
66C-8-6
1/2
3/8
11/16-20 13/16 1.52 1.12
.406
66C-8-8
1/2
1/2
11/16-20
1
1.71 1.31
.406
66C-10-8
5/8
1/2
13/16-18
1
1.80 1.38
.500
Male Connector 68C
Ref. SAE 060102 BA
Part
tube
pipe
straight
c
flow
No.
size thread thread
hex
l
m
dia. d
68C-2-1
1/8 1/16
5/16-24 11/32 .99
.78
.095
68C-2-2
1/8
1/8
5/16-24
7/16
.97
.77
.094
68C-3-1
3/16 1/16
3/8-24
3/8 1.08
.84
.125
68C-3-2
3/16
1/8
3/8-24
7/16 1.08
.84
.125
68C-3-4
3/16
1/4
3/8-24
9/16 1.27 1.03
.125
68C-4-2
1/4
1/8
7/16-24
7/16 1.10
.86
.188
68C-4-4
1/4
1/4
7/16-24
9/16 1.30 1.06
.188
68C-4-6
1/4
3/8
7/16-24 11/16 1.27 1.03
.188
68C-4-8
1/4
1/2
7/16-24
7/8 1.55 1.31
.188
68C-5-2
5/16
1/8
1/2-24
1/2 1.15
.89
.234
68C-5-4
5/16
1/4
1/2-24
9/16 1.33 1.07
.250
68C-6-2
3/8
1/8
9/16-24
9/16 1.25
.97
.250
68C-6-4
3/8
1/4
9/16-24
9/16 1.42 1.14
.312
68C-6-6
3/8
3/8
9/16-24 11/16 1.44 1.16
.312
68C-6-8
3/8
1/2
9/16-24
7/8 1.53 1.25
.312
68C-7-4
7/16
1/4
5/8-24
5/8 1.50 1.17
.312
68C-8-4
1/2
1/4
11/16-20 11/16 1.60 1.20
.312
68C-8-6
1/2
3/8
11/16-20 11/16 1.60 1.20
.406
68C-8-8
1/2
1/2
11/16-20
7/8 1.71 1.31
.406
68C-10-6
5/8
3/8
13/16-18 13/16 1.73 1.31
.406
68C-10-8
5/8
1/2
13/16-18
7/8 1.90 1.48
.500
68C-10-12 5/8
3/4
13/16-18 1-1/16 1.98 1.56
.500
68C-12-8
3/4
1/2
1-18
1
2.05 1.60
.562
68C-12-12 3/4
3/4
1-18
1-1/16 2.08 1.63
.656
68C-14-12 7/8
3/4
1-1/8-18 1-1/8 1.76 1.41
.750
L
D
C HEX
M
L
D
C HEX
M