Safety Relief Valve NSN 4820-00-275-1209

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN: 4820-00-275-1209

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Features and Characteristics

Pipe Size Accommodated

0.750 inches 1st end

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Valve Discharge Flow Rate

334.0 cubic feet per minute

Renewable Seat Ring Type

Threaded

Maximum Operating Temp

334.0 degrees fahrenheit single response

Connection Style

Plain (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Unthreaded external pipe 2nd end

Features Provided

Valve stem lock shield and pressure tight outlet side

Adjustable Pressure Range

+316.0/+360.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch single response

Material

Copper alloy 922

Material Specification

Qq-c-390, alloyd4/d/ federal specification single material response

Media For Which Designed

Air single response

Style Designator

Angle

Departure From Cited Document

As modified by the pipe thd

FSC

4820 Nonpowered Valves

NIIN

002751209

NSN

4820002751209

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MIL-V-22549

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-V-22549-1-2-4000-316T0360SBU

Cage Code:

03950

Status:

MSDS:

Part Number:

CS-FLR-4820-1209

Cage Code:

16236

Status:

MSDS:

Part Number:

D42UU-12

Cage Code:

65079

Status:

MSDS:

Part Number:

87CS165-9521-316T360PSI

Cage Code:

15187

Status:

MSDS:

Foreign Trade & Schedule B

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

Schedule B Number: 8481400000
NAICS: 332911
SITC: 74740
Description: Safety or relief valves
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-275-1209

What are the manufacturers of nsn 4820002751209?

Does this nsn 4820002751209 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002751209
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.

Does nsn 4820002751209 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820002751209 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002751209?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

App. Key:

Cond. Code:

Status:

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