Part No.

Tube O.D.

1 Male NPTF

2 Female JIC Swivel

C Nut Hex

M Length

N Length

Y Flats

Operating Pressure

6503-04-04-4 6503-06-06-4

1/4 3/8

1/4 - 18 3/8 - 18

7/16 - 20 9/16 - 18

9/16 11/16

0.88 1.02

1.18 1.41

3/4 7/8

6,000 4,500

6503-06-08-4 6503-08-08-4

1/2 1/2

3/8 - 18 1/2 - 14

3/4 - 16 3/4 - 16

7/8 7/8

1.02 1.24

1.50 1.52

7/8 1 1/16

4,500 3,000

6503-12-12-4

3/4

3/4 - 14

1 1/16 - 12

1 1/4

1.36

1.87

1 5/16

3,000