Adapter RA On Parker Hannifin Instrumentation Products Div.

Parker Instrumentation Pipe Fittings are designed as leak-free connections for process, power, instrumentation and general industrial applications. They are manufactured to the highest quality standards and are available in broad ranges of sizes, materials and configurations.

Parker Instrumentation Pipe fittings are made at the Instrumentation Products Division of Parker Hannifin in Huntsville, Alabama. These fittings are manufactured where strict adherence to quality control programs is maintained.

NOTE:
Dimensions for reference only, subject to change.

Item #	Connection Type	NPT Thread Female T1	NPT Thread Male T2	W HEX	D	R	Working Pressure - Brass	Working Pressure - Stainless Steel	Working Pressure - Steel
2-1 RA	N/A FNPT to NPT	N/A 1/8	N/A 1/16	N/A 5/8 in	N/A 1.03 in	N/A .38 in	N/A 4000 psig	N/A 6400 psig	N/A 6800 psig
2-2 RA	N/A FNPT to NPT	N/A 1/8	N/A 1/8	N/A 5/8 in	N/A 1.03 in	N/A .38 in	N/A 4000 psig	N/A 6400 psig	N/A 6800 psig
4-1 RA	N/A FNPT to NPT	N/A 1/4	N/A 1/16	N/A 3/4 in	N/A 1.20 in	N/A .38 in	N/A 4300 psig	N/A 6600 psig	N/A 7000 psig
4-2 RA	N/A FNPT to NPT	N/A 1/4	N/A 1/8	N/A 3/4 in	N/A 1.20 in	N/A .38 in	N/A 4300 psig	N/A 6600 psig	N/A 7000 psig
4-4 RA	N/A FNPT to NPT	N/A 1/4	N/A 1/4	N/A 3/4 in	N/A 1.39 in	N/A .56 in	N/A 4300 psig	N/A 6600 psig	N/A 7000 psig
6-1 RA	N/A FNPT to NPT	N/A 3/8	N/A 1/16	N/A 7/8 in	N/A 1.25 in	N/A .38 in	N/A 3500 psig	N/A 5300 psig	N/A 5600 psig
6-2 RA	N/A FNPT to NPT	N/A 3/8	N/A 1/8	N/A 7/8 in	N/A 1.25 in	N/A .38 in	N/A 3500 psig	N/A 5300 psig	N/A 5600 psig
6-4 RA	N/A FNPT to NPT	N/A 3/8	N/A 1/4	N/A 7/8 in	N/A 1.44 in	N/A .56 in	N/A 3500 psig	N/A 5300 psig	N/A 5600 psig
6-6 RA	N/A FNPT to NPT	N/A 3/8	N/A 3/8	N/A 7/8 in	N/A 1.44 in	N/A .56 in	N/A 3500 psig	N/A 5300 psig	N/A 5600 psig
8-2 RA	N/A FNPT to NPT	N/A 1/2	N/A 1/8	N/A 1 1/8 in	N/A 1.50 in	N/A .38 in	N/A 3600 psig	N/A 5200 psig	N/A 5500 psig
8-4 RA	N/A FNPT to NPT	N/A 1/2	N/A 1/4	N/A 1 1/8 in	N/A 1.69 in	N/A .56 in	N/A 3600 psig	N/A 5200 psig	N/A 5500 psig
8-6 RA	N/A FNPT to NPT	N/A 1/2	N/A 3/8	N/A 1 1/8 in	N/A 1.69 in	N/A .56 in	N/A 3600 psig	N/A 5200 psig	N/A 5500 psig
8-8 RA	N/A FNPT to NPT	N/A 1/2	N/A 1/2	N/A 1 1/8 in	N/A 1.88 in	N/A .75 in	N/A 3600 psig	N/A 5200 psig	N/A 5500 psig
12-2 RA	N/A FNPT to NPT	N/A 3/4	N/A 1/8	N/A 1 3/8 in	N/A 1.56 in	N/A .38 in	N/A 3000 psig	N/A 4300 psig	N/A 4600 psig
12-4 RA	N/A FNPT to NPT	N/A 3/4	N/A 1/4	N/A 1 3/8 in	N/A 1.75 in	N/A .56 in	N/A 3000 psig	N/A 4300 psig	N/A 4600 psig
12-6 RA	N/A FNPT to NPT	N/A 3/4	N/A 3/8	N/A 1 3/8 in	N/A 1.75 in	N/A .56 in	N/A 3000 psig	N/A 4300 psig	N/A 4600 psig
12-8 RA	N/A FNPT to NPT	N/A 3/4	N/A 1/2	N/A 1 3/8 in	N/A 1.94 in	N/A .75 in	N/A 3000 psig	N/A 4300 psig	N/A 4600 psig
16-2 RA	N/A FNPT to NPT	N/A 1	N/A 1/8	N/A 1 5/8 in	N/A 1.81 in	N/A .38 in	N/A 3100 psig	N/A 4500 psig	N/A 4800 psig
16-4 RA	N/A FNPT to NPT	N/A 1	N/A 1/4	N/A 1 5/8 in	N/A 2.00 in	N/A .56 in	N/A 3100 psig	N/A 4500 psig	N/A 4800 psig
16-6 RA	N/A FNPT to NPT	N/A 1	N/A 3/8	N/A 1 5/8 in	N/A 2.00 in	N/A .56 in	N/A 3100 psig	N/A 4500 psig	N/A 4800 psig
16-8 RA	N/A FNPT to NPT	N/A 1	N/A 1/2	N/A 1 5/8 in	N/A 2.19 in	N/A .76 in	N/A 3100 psig	N/A 4500 psig	N/A 4800 psig
16-12 RA	N/A FNPT to NPT	N/A 1	N/A 3/4	N/A 1 5/8 in	N/A 2.19 in	N/A .75 in	N/A 3100 psig	N/A 4500 psig	N/A 4800 psig
16-16 RA	N/A FNPT to NPT	N/A 1	N/A 1	N/A 1 5/8 in	N/A 2.38 in	N/A .94 in	N/A 2700 psig	N/A 4500 psig	N/A 4800 psig
20-16 RA	N/A FNPT to NPT	N/A 1 1/4	N/A 1	N/A 2 in	N/A 2.47 in	N/A .94 in	N/A 2300 psig	N/A 3500 psig	N/A 3700 psig

2-1 RA

N/A FNPT to NPT

N/A 1/8

N/A 1/16

N/A 5/8 in

N/A 1.03 in

N/A .38 in

N/A 4000 psig

N/A 6400 psig

N/A 6800 psig

2-2 RA

N/A FNPT to NPT

N/A 1/8

N/A 5/8 in

N/A 1.03 in

N/A .38 in

N/A 4000 psig

N/A 6400 psig

N/A 6800 psig

4-1 RA

N/A FNPT to NPT

N/A 1/4

N/A 1/16

N/A 3/4 in

N/A 1.20 in

N/A .38 in

N/A 4300 psig

N/A 6600 psig

N/A 7000 psig

4-2 RA

N/A FNPT to NPT

N/A 1/4

N/A 1/8

N/A 3/4 in

N/A 1.20 in

N/A .38 in

N/A 4300 psig

N/A 6600 psig

N/A 7000 psig

4-4 RA

N/A FNPT to NPT

N/A 1/4

N/A 3/4 in

N/A 1.39 in

N/A .56 in

N/A 4300 psig

N/A 6600 psig

N/A 7000 psig

6-1 RA

N/A FNPT to NPT

N/A 3/8

N/A 1/16

N/A 7/8 in

N/A 1.25 in

N/A .38 in

N/A 3500 psig

N/A 5300 psig

N/A 5600 psig

6-2 RA

N/A FNPT to NPT

N/A 3/8

N/A 1/8

N/A 7/8 in

N/A 1.25 in

N/A .38 in

N/A 3500 psig

N/A 5300 psig

N/A 5600 psig

6-4 RA

N/A FNPT to NPT

N/A 3/8

N/A 1/4

N/A 7/8 in

N/A 1.44 in

N/A .56 in

N/A 3500 psig

N/A 5300 psig

N/A 5600 psig

6-6 RA

N/A FNPT to NPT

N/A 3/8

N/A 7/8 in

N/A 1.44 in

N/A .56 in

N/A 3500 psig

N/A 5300 psig

N/A 5600 psig

8-2 RA

N/A FNPT to NPT

N/A 1/2

N/A 1/8

N/A 1 1/8 in

N/A 1.50 in

N/A .38 in

N/A 3600 psig

N/A 5200 psig

N/A 5500 psig

8-4 RA

N/A FNPT to NPT

N/A 1/2

N/A 1/4

N/A 1 1/8 in

N/A 1.69 in

N/A .56 in

N/A 3600 psig

N/A 5200 psig

N/A 5500 psig

8-6 RA

N/A FNPT to NPT

N/A 1/2

N/A 3/8

N/A 1 1/8 in

N/A 1.69 in

N/A .56 in

N/A 3600 psig

N/A 5200 psig

N/A 5500 psig

8-8 RA

N/A FNPT to NPT

N/A 1/2

N/A 1 1/8 in

N/A 1.88 in

N/A .75 in

N/A 3600 psig

N/A 5200 psig

N/A 5500 psig

12-2 RA

N/A FNPT to NPT

N/A 3/4

N/A 1/8

N/A 1 3/8 in

N/A 1.56 in

N/A .38 in

N/A 3000 psig

N/A 4300 psig

N/A 4600 psig

12-4 RA

N/A FNPT to NPT

N/A 3/4

N/A 1/4

N/A 1 3/8 in

N/A 1.75 in

N/A .56 in

N/A 3000 psig

N/A 4300 psig

N/A 4600 psig

12-6 RA

N/A FNPT to NPT

N/A 3/4

N/A 3/8

N/A 1 3/8 in

N/A 1.75 in

N/A .56 in

N/A 3000 psig

N/A 4300 psig

N/A 4600 psig

12-8 RA

N/A FNPT to NPT

N/A 3/4

N/A 1/2

N/A 1 3/8 in

N/A 1.94 in

N/A .75 in

N/A 3000 psig

N/A 4300 psig

N/A 4600 psig

16-2 RA

N/A FNPT to NPT

N/A 1

N/A 1/8

N/A 1 5/8 in

N/A 1.81 in

N/A .38 in

N/A 3100 psig

N/A 4500 psig

N/A 4800 psig

16-4 RA

N/A FNPT to NPT

N/A 1

N/A 1/4

N/A 1 5/8 in

N/A 2.00 in

N/A .56 in

N/A 3100 psig

N/A 4500 psig

N/A 4800 psig

16-6 RA

N/A FNPT to NPT

N/A 1

N/A 3/8

N/A 1 5/8 in

N/A 2.00 in

N/A .56 in

N/A 3100 psig

N/A 4500 psig

N/A 4800 psig

16-8 RA

N/A FNPT to NPT

N/A 1

N/A 1/2

N/A 1 5/8 in

N/A 2.19 in

N/A .76 in

N/A 3100 psig

N/A 4500 psig

N/A 4800 psig

16-12 RA

N/A FNPT to NPT

N/A 1

N/A 3/4

N/A 1 5/8 in

N/A 2.19 in

N/A .75 in

N/A 3100 psig

N/A 4500 psig

N/A 4800 psig

16-16 RA

N/A FNPT to NPT

N/A 1

N/A 1 5/8 in

N/A 2.38 in

N/A .94 in

N/A 2700 psig

N/A 4500 psig

N/A 4800 psig

20-16 RA

N/A FNPT to NPT

N/A 1 1/4

N/A 1

N/A 2 in

N/A 2.47 in

N/A .94 in

N/A 2300 psig

N/A 3500 psig

N/A 3700 psig

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Item #

Connection Type

NPT Thread Female T1

NPT Thread Male T2

W HEX

D

R

Working Pressure - Brass

Working Pressure - Stainless Steel

Working Pressure - Steel

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