Safety Relief Valve NSN 4820-00-288-7304

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: 4820-00-288-7304

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Features and Characteristics

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Disk Loading Method

Spring

Valve Discharge Flow Rate

97.0 cubic feet per minute

Maximum Operating Temp

350.0 degrees fahrenheit single response

Connection Style

Plain (pipe) all ends

Valve Operation Method

Automatic or manual

Connection Type

Threaded external pipe all ends

Features Provided

Valve stem lock shield

Adjustable Pressure Range

+35.0/+59.0 pounds per square inch

Maximum Operating Pressure

250.0 pounds per square inch single response

Thread Size

0.500 inches all ends

Opening Pressure Setting

50.0 pounds per square inch

Special Features

Furnished w/manual pressure relief lever

Material

Copper alloy

Media For Which Designed

Gas, natural 2nd response

Style Designator

Angle

Thread Series Designator

Npt all ends

Furnished Items And Quantity

1 cap and 1 chain

FSC

4820 Nonpowered Valves

NIIN

002887304

NSN

4820002887304

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

149-1-2

Cage Code:

14915

Status:

MSDS:

Part Number:

X1396T3-50

Cage Code:

6R484

Status:

MSDS:

Part Number:

FIG 105C1/2 50PSI

Cage Code:

75336

Status:

MSDS:

Part Number:

1A-1/2IN35T59PSI

Cage Code:

01343

Status:

MSDS:

Part Number:

FIGURE 1A-1/2-50PSI

Cage Code:

01343

Status:

MSDS:

Part Number:

1P460

Cage Code:

30760

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 4820-00-288-7304

What are the manufacturers of nsn 4820002887304?

Does this nsn 4820002887304 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002887304
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 4820002887304 contain any precious metals?
No precious metal content.

Does nsn 4820002887304 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002887304?
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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Certificate of Conformance
Quality Inspected Parts
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