Safety Relief Valve NSN 4820-00-072-8510

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: 4820-00-072-8510

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Features and Characteristics

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

250.0 degrees fahrenheit single response

Connection Style

Plain (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Features Provided

Valve stem lock shield

Adjustable Pressure Range

+2.5 to 5.9 pounds per square inch

Maximum Operating Pressure

200.0 pounds per square inch single response

Thread Size

0.125 inches 1st end

Opening Pressure Setting

4.0 pounds per square inch

Special Features

Pop-off type

Material

Steel comp 316 bodysteel comp 316 flow control device and rubber butadiene-acrylonitrile class nbr flow control devicesteel comp 316 seat

Media For Which Designed

Hydrogen 5th response

Surface Treatment

Passivate

Style Designator

Straight through note: to be used for valve bodies of one section only.

Thread Series Designator

Npt 1st end

FSC

4820 Nonpowered Valves

NIIN

000728510

NSN

4820000728510

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2904768-1

Cage Code:

53711

Status:

MSDS:

Part Number:

559T1-1M-4

Cage Code:

91816

Status:

MSDS:

Part Number:

773372-1

Cage Code:

56232

Status:

MSDS:

Part Number:

10516717

Cage Code:

19200

Status:

MSDS:

Part Number:

559T-1M-4

Cage Code:

91816

Status:

MSDS:

Part Number:

4820000728510

Cage Code:

SCY13

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 4820-00-072-8510

What are the manufacturers of nsn 4820000728510?

Does this nsn 4820000728510 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820000728510
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 4820000728510 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820000728510 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820000728510?
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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