Model: 21-5445-Q

Fluid Pressure Regulating Valve

Properties:

Body Material

Brass

Body Style

Angle

Media For Which Designed

Oxygen, gaseous

First End Connection Type

Threaded external tube

First End Style Designator

Flared

First End Outside Diameter Tube Accommodated

0.375 inches

First End Thread Size And Series/type Designator

.908-14 ngo

First End Thread Class

First End Thread Direction

Right-hand

Second End Relationship With First End

Not identical

Second End Connection Type

Threaded internal pipe

Second End Style Designator

Plain

Second End Thread Size And Series/type Designator

.562-18 unc

Second End Thread Direction

Right-hand

First End Seat Angle In Deg

37.0

Flow Control Device

Diaphragm

End Connection Quantity

Outlet Pressure Range

+0.0/+120.0 pounds per square inch

Regulation Type

Manual single stage

Manual Control Method

Knob

Valve Stem Design

Single seat

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

3000.0 pounds per square inch

Outlet Pressure Accuracy Rating

1.000 pounds per square inch

Filter

Not included

Nondefinitive Specification/std Data

2 type

NSN

4820-01-256-0264

Part Number

21-5445-Q

Description

Valve,regulating,fluid Pressure

CAGE

34920

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 21-5445-Q NSN 4820-01-256-0264

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

576

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