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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.

NOTE:
  • Dimensions for reference only, subject to change.
    • Male Hex Long Nipple MHLN
    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 MHLN-B N/A MNPT to MNPT N/A 1/16 N/A 1/16 N/A 7/16 in N/A 1.00 in N/A .38 in N/A 6000 psig N/A 10000 psig N/A 10500 psig
    2-2 MHLN-B N/A MNPT to MNPT N/A 1/8 N/A 1/8 N/A 7/16 in N/A 1.00 in N/A .38 in N/A 5600 psig N/A 9100 psig N/A 9700 psig
    2-2 MHLN-B 1.5 N/A MNPT to MNPT N/A 1/8 N/A 1/8 N/A 7/16 in N/A 1.50 in N/A .38 in N/A 5600 psig N/A 9100 psig N/A 9700 psig
    2-2 MHLN-B 2.0 N/A MNPT to MNPT N/A 1/8 N/A 1/8 N/A 7/16 in N/A 2.00 in N/A .38 in N/A 5600 psig N/A 9100 psig N/A 9700 psig
    2-2 MHLN-B 2.5 N/A MNPT to MNPT N/A 1/8 N/A 1/8 N/A 7/16 in N/A 2.50 in N/A .38 in N/A 5600 psig N/A 9100 psig N/A 9700 psig
    4-4 MHLN-B N/A MNPT to MNPT N/A 1/4 N/A 1/4 N/A 5/8 in N/A 1.50 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
    4-4 MHLN-B 2.0 N/A MNPT to MNPT N/A 1/4 N/A 1/4 N/A 5/8 in N/A 2.00 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
    4-4 MHLN-B 2.5 N/A MNPT to MNPT N/A 1/4 N/A 1/4 N/A 5/8 in N/A 2.50 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
    4-4 MHLN-B 3.0 N/A MNPT to MNPT N/A 1/4 N/A 1/4 N/A 5/8 in N/A 3.00 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
    4-4 MHLN-B 4.0 N/A MNPT to MNPT N/A 1/4 N/A 1/4 N/A 5/8 in N/A 4.00 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
    6-6 MHLN-B N/A MNPT to MNPT N/A 3/8 N/A 3/8 N/A 3/4 in N/A 1.50 in N/A .56 in N/A 4000 psig N/A 7200 psig N/A 7600 psig
    8-8 MHLN-B N/A MNPT to MNPT N/A 1/2 N/A 1/2 N/A 7/8 in N/A 2.00 in N/A .75 in N/A 3900 psig N/A 6600 psig N/A 7000 psig
    8-8 MHLN-B 2.0 N/A MNPT to MNPT N/A 1/2 N/A 1/2 N/A 7/8 in N/A 2.00 in N/A .75 in N/A 3900 psig N/A 6600 psig N/A 7000 psig
    8-8 MHLN-B 3.0 N/A MNPT to MNPT N/A 1/2 N/A 1/2 N/A 7/8 in N/A 3.00 in N/A .75 in N/A 3900 psig N/A 6600 psig N/A 7000 psig
    1-1 MHLN-SS N/A MNPT to MNPT N/A 1/16 N/A 1/16 N/A 7/16 in N/A 1.00 in N/A .38 in N/A 6000 psig N/A 10000 psig N/A 10500 psig
    2-2 MHLN-SS N/A MNPT to MNPT N/A 1/8 N/A 1/8 N/A 7/16 in N/A 1.00 in N/A .38 in N/A 5600 psig N/A 9100 psig N/A 9700 psig
    2-2 MHLN-SS 1.5 N/A MNPT to MNPT N/A 1/8 N/A 1/8 N/A 7/16 in N/A 1.50 in N/A .38 in N/A 5600 psig N/A 9100 psig N/A 9700 psig
    2-2 MHLN-SS 2.0 N/A MNPT to MNPT N/A 1/8 N/A 1/8 N/A 7/16 in N/A 2.00 in N/A .38 in N/A 5600 psig N/A 9100 psig N/A 9700 psig
    2-2 MHLN-SS 2.5 N/A MNPT to MNPT N/A 1/8 N/A 1/8 N/A 7/16 in N/A 2.50 in N/A .38 in N/A 5600 psig N/A 9100 psig N/A 9700 psig
    4-4 MHLN-SS N/A MNPT to MNPT N/A 1/4 N/A 1/4 N/A 5/8 in N/A 1.50 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
    4-4 MHLN-SS 2.0 N/A MNPT to MNPT N/A 1/4 N/A 1/4 N/A 5/8 in N/A 2.00 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
    4-4 MHLN-SS 2.5 N/A MNPT to MNPT N/A 1/4 N/A 1/4 N/A 5/8 in N/A 2.50 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
    4-4 MHLN-SS 3.0 N/A MNPT to MNPT N/A 1/4 N/A 1/4 N/A 5/8 in N/A 3.00 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
    4-4 MHLN-SS 4.0 N/A MNPT to MNPT N/A 1/4 N/A 1/4 N/A 5/8 in N/A 4.00 in N/A .56 in N/A 4100 psig N/A 7500 psig N/A 8000 psig
    6-6 MHLN-SS N/A MNPT to MNPT N/A 3/8 N/A 3/8 N/A 3/4 in N/A 1.50 in N/A .56 in N/A 4000 psig N/A 7200 psig N/A 7600 psig
    Unit of Measure
    1 2