Parker Hannifn Corporation
Parker Brass Products Division
Otsego, Michigan
A43
A
Catalog 3501E
Hi-Duty Flareless Tube Fittings
Bulkhead Union 62HDBH
Part
tube min. Orifice
No.
size
size
a
b
c
d
E
62HDBH-2
1/8
.093
1.781 1.156 .562 .625 7/16-24
62HDBH-4
1/4
.187
1.968 1.156 .687 .625 9/16-24
Nut/Sleeve 61HD
Part
tube
pipe
No.
size
thread
a
C
61HD-2
1/8
5/16-24
.656
.312
61HD-3
3/16
3/8-24
.687
.375
61HD-4
1/4
7/16-24
.734
.437
61HD-5
5/16
1/2-20
.765
.500
61HD-6
3/8
9/16-20
.843
.562
61HD-8
1/2
11/16-16
.921
.688
61HD-10
5/8
7/8-18
1.078
.875
Union 62HD
Part
tube MIN. ORIFICE
No.
size
SIZE
A
B
C
62HD-2
1/8
.093 1.687 1.062 .375
62HD-3
3/16
.125 1.781 1.031 .437
62HD-4
1/4
.187 1.906 1.093 .562
62HD-6
3/8
.312 2.187 1.375 .625
62HD-8
1/2
.437 2.437 1.562 .812
62HD-10
5/8
.500 2.937 1.812 1.062
Union Tee 164HD
Part
tube min. OrificE
C
No.
size
size
a
b
HEX
164HD-4
1/4
.187
1.082 .687 .500
164HD-6
3/8
.312
1.357 .970 .562
164HD-8
1/2
.437
1.481 1.060 .750
Union Elbow 165HD
Part
tube min. OrificE
C
No.
size
size
a
b
HEX
165HD-4
1/4
.187
1.084 .690 .552
165HD-6
3/8
.312
1.376 .970 .615
165HD-8
1/2
.437
1.546 1.060 .750
A
B
E
D
C Hex
C Hex
C Hex
A
C Hex
A
B
C Hex
A
B
C Hex
A
B