Model: N-523

Fluid Pressure Regulating Valve

Special Features:

Reversible buna-n seat disk for drip-tight closure

Properties:

Body Material

Bronze

Body Style

Straight thru

Stem Material

Nickel copper alloy

Furnished Items

Tailpiece and union nut

Media For Which Designed

Water

First End Connection Type

Unthreaded internal tube

First End Style Designator

Socket w/brazing ring

First End Outside Diameter Tube Accommodated

0.375 inches

Second End Relationship With First End

Identical

Seat Material

Nickel copper alloy

Packing Material

Rubber, buna-n

Flow Control Device

Diaphragm

Flow Control Device Material

Rubber, buna-n

End Connection Quantity

Outlet Pressure Range

+60.0/+100.0 pounds per square inch

Regulation Type

Automatic single stage

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

350.0 pounds per square inch

Filter

Not included

NSN

4820-01-181-3609

Part Number

N-523

Description

Valve,regulating,fluid Pressure

CAGE

35795

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 N-523 NSN 4820-01-181-3609

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

7.0000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

050855

UFC:

29290

LTL:

RATING VARIABLE

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