Parker Hannifin Corporation
Fluid System Connectors
Otsego, Michigan
E15
Catalog 3501E
Air Brake Hose Ends Fittings
Air Brake Hose Nut &
Attached Spring 67RBSG
Part No.
L
67
RBSG-6
3.50
67
RBSG-8
3.75
L
D
HEX
L
HEX
D
M
L
D
HEX
L
L
D
HEX 1
HEX 2
M
L
D
HEX
M
L
D1
D2
L
A
D
L
D
HEX
L
D
HEX
Spring 56RBSG
Part No.
hose size
l
d1
d2
56
RBSG-6
3/8
2.75
.84
.78
56
RBSG-8
1/2
3.00
1.03
.91
Sleeve 60RB
Part No.
hose size
l
a
d
60
RB-6
3/8
.69
.90
.78
60
RB-8
1/2
.69
1.03
.92
Nut 61RB
Part
No.
hose
size
straight
thread
HEX
L
d
61
RB-6
3/8
31/32-20
1-1/16
1.12
.80
61
RB-8
1/2
1-3/32-20
1-1/4
1.12
.93
Spring Guard Nut 61RBSG
Part
No.
hose
size
straight
thread
HEX
L
d
61
RBSG-6
3/8
31/32-20
1-1/16
1.22
.80
61
RBSG-8
1/2
1-3/32-20
1-1/4
1.19
.92
Union 62RB
Part
No.
hose
size
straight
thread
hex
l
m
d
62
RB-6
3/8
31/32-20 31/32
2.98
2.56
.281
62
RB-8
1/2
1-3/32-20 1-1/8
2.99
2.55
.390
Male Connector 68RB
Part
No.
hose
size
straight
thread
pipe
thread hex
l
m
d
68
RB-6-4 3/8 31/32-20
1/4
31/32 2.24
1.91
.281
68
RB-6-6 3/8 31/32-20
3/8
31/32 2.24
1.91
.281
68
RB-6-8 3/8 31/32-20
1/2
31/32 2.38
2.06
.281
68
RB-8-6 1/2 1-3/32-20 3/8
1-1/8 2.24
1.91
.390
68
RB-8-8 1/2 1-3/32-20 1/2
1-1/8 2.29
2.07
.390
Male Connector
Body Only 68RB
Part
No.
hose
size
straight
thread
pipe
thread hex
l
d
68
RB-6-4B
3/8
31/32-20
1/4
31/32
1.91
.281
68
RB-6-6B
3/8
31/32-20
3/8
31/32
1.91
.281
68
RB-6-8B
3/8
31/32-20
1/2
31/32
2.06
.281
68
RB-8-6B
1/2
1-3/32-20
3/8
1-1/8
1.91
.390
68
RB-8-8B
1/2
1-3/32-20
1/2
1-1/8
2.07
.390
Male Connector with
Spring Guard 68RBSG
Part
No.
Hose
size
pipe
thread hex
l
m
d
68
RBSG-6-4
3/8
1/4
31/32
4.8
1.91
.281
68
RBSG-6-6
3/8
3/8
31/32
4.8
1.91
.281
68
RBSG-6-8
3/8
1/2
31/32
4.9
2.06
.281
68
RBSG-8-6
1/2
3/8
1-1/8
5.0
1.91
.390
68
RBSG-8-8
1/2
1/2
1-1/8
5.2
2.07
.390
Adapter 76RB
Part
No.
pipe
thread
straight
thread
hex
l
d
76
RB-3/4-4
1/4
3/4-20
3/4
1.06
.310
76
RB-3/4-6
3/8
3/4-20
3/4
1.12
.422
76
RB-7/8-6
3/8
7/8-20
7/8
1.25
.440
76
RB-7/8-8
1/2
7/8-20
7/8
1.47
.500
Female Swivel Connector 66RBSV
Part
No.
hose
size
straight
thread hex1 hex2
l
m d
66
RBSV-6-3/4
3/8
3/4-20 31/32 7/8 2.30 2.09 .281
66
RBSV-8-7/8
1/2
7/8-20 1-1/8 1"
2.36 2.14 .390
L
D
HEX
M