Model: AD31391-1

Fluid Pressure Regulating Valve

Properties:

Body Material

Aluminum alloy, qq-a-225/8, alloy 6061, t6

Body Style

Straight through w/offset

First End Connection Type

Threaded internal boss

First End Style Designator

Gasket seal

First End Thread Size And Series/type Designator

1 7/8-12 unj

First End Thread Class

First End Thread Direction

Right-hand

Second End Relationship With First End

Identical

Offset Distance

2.186 inches

Face To Face Distance

5.620 inches

Flow Control Device

Piston, bottom guided

End Connection Quantity

Regulation Type

Automatic single stage

Valve Loading Method

Spring

Filter

Included

NSN

4820-01-155-2044

Part Number

AD31391-1

Description

Valve,regulating,fluid Pressure

CAGE

73030

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

Part AD31391-1 NSN 4820-01-155-2044

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

27565

FIIG:

A21100

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127200

UFC:

64480

LTL:

85.0

LCL:

WCC:

594

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8481809015
SITC: 74780
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level