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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.

The Parker Quality Program is a measure of the efficiency with which Parker transforms materials, our employee efforts, machinery and information into customer-satisfying products and services.

NOTE:
Dimensions for reference only, subject to change.
Male Hex Nipple MHN
Unit of Measure
1 2 

Item #

Connection Type

NPT Thread Male T1

NPT Thread Male T2

W HEX

D

R

Working Pressure - Brass

Working Pressure - Stainless Steel

Working Pressure - Steel

1-1 MHN N/A MNPT to MNPT N/A 1/16 N/A 1/16 N/A 7/16 in N/A 1.06 in N/A .38 in N/A 6000 psig N/A 10000 psig N/A 10500 psig
2-1 MHN N/A MNPT to MNPT N/A 1/8 N/A 1/16 N/A 7/16 in N/A 1.06 in N/A .38 in N/A 5600 psig N/A 9100 psig N/A 9700 psig
2-2 MHN N/A MNPT to MNPT N/A 1/8 N/A 1/8 N/A 7/16 in N/A 1.06 in N/A .38 in N/A 5600 psig N/A 9100 psig N/A 9700 psig
4-1 MHN N/A MNPT to MNPT N/A 1/4 N/A 1/16 N/A 5/8 in N/A 1.25 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
4-2 MHN N/A MNPT to MNPT N/A 1/4 N/A 1/8 N/A 5/8 in N/A 1.25 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
4-4 MHN N/A MNPT to MNPT N/A 1/4 N/A 1/4 N/A 5/8 in N/A 1.45 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
6-1 MHN N/A MNPT to MNPT N/A 3/8 N/A 1/16 N/A 3/4 in N/A 1.27 in N/A .56 in N/A 4000 psig N/A 7200 psig N/A 7600 psig
6-2 MHN N/A MNPT to MNPT N/A 3/8 N/A 1/8 N/A 3/4 in N/A 1.27 in N/A .56 in N/A 4000 psig N/A 7200 psig N/A 7600 psig
6-4 MHN N/A MNPT to MNPT N/A 3/8 N/A 1/4 N/A 3/4 in N/A 1.45 in N/A .56 in N/A 4000 psig N/A 7200 psig N/A 7600 psig
6-6 MHN N/A MNPT to MNPT N/A 3/8 N/A 3/8 N/A 3/4 in N/A 1.45 in N/A .56 in N/A 4000 psig N/A 7200 psig N/A 7600 psig
8-2 MHN N/A MNPT to MNPT N/A 1/2 N/A 1/8 N/A 7/8 in N/A 1.52 in N/A .75 in N/A 3900 psig N/A 6600 psig N/A 7000 psig
8-4 MHN N/A MNPT to MNPT N/A 1/2 N/A 1/4 N/A 7/8 in N/A 1.70 in N/A .75 in N/A 3900 psig N/A 6600 psig N/A 7000 psig
8-6 MHN N/A MNPT to MNPT N/A 1/2 N/A 3/8 N/A 7/8 in N/A 1.70 in N/A .75 in N/A 3900 psig N/A 6600 psig N/A 7000 psig
8-8 MHN N/A MNPT to MNPT N/A 1/2 N/A 1/2 N/A 7/8 in N/A 1.89 in N/A .75 in N/A 3900 psig N/A 6600 psig N/A 7000 psig
12-2 MHN N/A MNPT to MNPT N/A 3/4 N/A 1/8 N/A 1 1/8 in N/A 1.59 in N/A .75 in N/A 3800 psig N/A 6400 psig N/A 6800 psig
12-4 MHN N/A MNPT to MNPT N/A 3/4 N/A 1/4 N/A 1 1/8 in N/A 1.78 in N/A .75 in N/A 3800 psig N/A 6400 psig N/A 6800 psig
12-6 MHN N/A MNPT to MNPT N/A 3/4 N/A 3/8 N/A 1 1/8 in N/A 1.78 in N/A .75 in N/A 3800 psig N/A 6400 psig N/A 6800 psig
12-8 MHN N/A MNPT to MNPT N/A 3/4 N/A 1/2 N/A 1 1/8 in N/A 1.97 in N/A .75 in N/A 3800 psig N/A 6400 psig N/A 6800 psig
12-12 MHN N/A MNPT to MNPT N/A 3/4 N/A 3/4 N/A 1 1/8 in N/A 1.97 in N/A .75 in N/A 3800 psig N/A 6400 psig N/A 6800 psig
16-2 MHN N/A MNPT to MNPT N/A 1 N/A 1/8 N/A 1 3/8 in N/A 1.78 in N/A .94 in N/A 2700 psig N/A 4600 psig N/A 4900 psig
16-4 MHN N/A MNPT to MNPT N/A 1 N/A 1/4 N/A 1 3/8 in N/A 1.97 in N/A .94 in N/A 2700 psig N/A 4600 psig N/A 4900 psig
16-6 MHN N/A MNPT to MNPT N/A 1 N/A 3/8 N/A 1 3/8 in N/A 1.97 in N/A .94 in N/A 2700 psig N/A 4600 psig N/A 4900 psig
16-8 MHN N/A MNPT to MNPT N/A 1 N/A 1/2 N/A 1 3/8 in N/A 2.16 in N/A .94 in N/A 2700 psig N/A 4600 psig N/A 4900 psig
16-12 MHN N/A MNPT to MNPT N/A 1 N/A 3/4 N/A 1 3/8 in N/A 2.09 in N/A .94 in N/A 2700 psig N/A 4600 psig N/A 4900 psig
16-16 MHN N/A MNPT to MNPT N/A 1 N/A 1 N/A 1 3/8 in N/A 2.34 in N/A .94 in N/A 2700 psig N/A 4600 psig N/A 4900 psig
Unit of Measure
1 2