Parker Hannifn Corporation
Parker Brass Products Division
Otsego, Michigan
Catalog 3501E
Air Brake–NTA
®
Fittings
H8
H
Male Connector VS68NTA
Ref. SAE 100102 BA
Part
tube
pipe
straight
c
flow
No.
size thread
thread
hex
l
m
dia. d
VS68NTA-3-1* 3/16
1/16
5/16-24
3/8
1.16
.87
.087
VS68NTA-3-2* 3/16
1/8
5/16-24
7/16 1.15
.86
.087
VS68NTA-3-4* 3/16
1/4
5/16-24
9/16 1.35 1.05 .087
VS68NTA-4-2
1/4
1/8
7/16-24
7/16 1.22
.89
.137
VS68NTA-4-4
1/4
1/4
7/16-24
9/16 1.43 1.10 .137
VS68NTA-4-6
1/4
3/8
7/16-24 11/16 1.47 1.14 .137
VS68NTA-6-2
3/8
1/8
17/32-24 9/16 1.49 1.03 .217
VS68NTA-6-4
3/8
1/4
17/32-24 9/16 1.67 1.21 .217
VS68NTA-6-6
3/8
3/8
17/32-24 11/16 1.70 1.24 .217
VS68NTA-6-8
3/8
1/2
17/32-24
7/8
1.89 1.43 .217
VS68NTA-8-4
1/2
1/4
11/16-20 11/16 1.85 1.33 .338
VS68NTA-8-6
1/2
3/8
11/16-20 11/16 1.85 1.33 .338
VS68NTA-8-8
1/2
1/2
11/16-20
7/8
2.04 1.52 .338
VS68NTA-10-6 5/8
3/8
13/16-18 13/16 1.88 1.39 .398
VS68NTA-10-8 5/8
1/2
13/16-18
7/8
2.10 1.58 .398
VS68NTA-12-6 3/4
3/8
1-18
1
2.00 1.49 .440
VS68NTA-12-8 3/4
1/2
1-18
1
2.19 1.68 .523
VS68NTA-12-12 3/4
3/4
1-18
1-1/8 2.22 1.71 .523
*Meets D.O.T. FMVSS 571.106 specifcations. No applicable SAE
specifcation for this tube size.
NTA
®
to Metric Adaptor 68NTA-X-MIX
Part
tube
Metric
Number
size
Thread
B HEX
C Hex
L
D
68NTA-4-MI10
1/4
M10 x 1.0
9/16
9/16
1.33 .140
Note: Fluorocarbon o-ring is standard
Adapter Tee VS176NTA
Part
tube
pipe
straight
flow
No.
size thread
thread
l
m
n
n1
dia. d
VS176NTA-4-2 1/4
1/8
7/16-24
1.02
.69
.75
.66
.137
Union Tee 264NTA
Ref. SAE 100401 BA
Part
tube
straight
flow
No.
size
thread
l
m
dia. d
264NTA-4
1/4
7/16-24
.95
.62
.137
264NTA-6
3/8
17/32-24 1.24
.78
.217
264NTA-8
1/2
11/16-20 1.45
.93
.338
264NTA-10
5/8
13/16-18 1.58 1.09
.398
L
D
M
C HEX
D
N
1
N
L
M
L
D
M
M
L
M
L
Viton O-Ring
L
D
C Hex
B Hex