System Pressure Regulating Valve NSN 4820-01-288-6739

Item Description

A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes valve, regulating, fluid pressure and valve, calibrated flow.

NSN: 4820-01-288-6739

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Features and Characteristics

Body Material

Bronze

Body Style

Angle

Furnished Items

Bonnet

Media For Which Designed

Water and ethylene glycol and sulfamic acid

First End Connection Type

Threaded internal pipe

First End Style Designator

Plain

First End Thread Size And Series/type Designator

3/4-14 npt

First End Thread Direction

Right-hand

Second End Relationship With First End

Not identical

Second End Connection Type

Threaded external pipe

Second End Style Designator

Plain

Second End Thread Size And Series/type Designator

3/4-14 npt

Second End Thread Direction

Right-hand

First Connection Face To Centerline Distance

2.000 inches

Second Connection Face To Centerline Distance

1.630 inches

Flow Control Device

Disk

End Connection Quantity

Regulation Type

Automatic single stage

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

300.0 pounds per square inch

FSC

4820 Nonpowered Valves

NIIN

012886739

NSN

4820012886739

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

5-45-5166

Cage Code:

81361

Status:

MSDS:

Part Number:

19296-1

Cage Code:

5RQL2

Status:

MSDS:

Part Number:

FIG. 20-1

Cage Code:

01343

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481809015
NAICS: 332911
SITC: 74780
Description: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-288-6739

What are the manufacturers of nsn 4820012886739?

Edgewood Chemical Biological Center (81361)
Drs Environmental Systems, Inc. (5RQL2)
Anderson Greenwood Lp (01343)
Engineered Air Systems Inc. (90598)

Does this nsn 4820012886739 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820012886739
A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. the excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. it is designed primarily for use in refrigeration and air conditioning systems. excludes valve, regulating, fluid pressure and valve, calibrated flow.

Does nsn 4820012886739 contain any precious metals?
No precious metal content.

Does nsn 4820012886739 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820012886739?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

35896

FIIG:

A21100

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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