Safety Relief Valve NSN 4820-01-354-2562

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: 4820-01-354-2562

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Bolt Hole Quantity

8 all ends

Maximum Operating Temp

200.0 degrees fahrenheit 1st response150.0 degrees fahrenheit 2nd response

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

3.000 inches

Adjustable Pressure Range

+12.0/+15.0 pounds per square inch

Maximum Operating Pressure

100.0 pounds per square inch 1st response125.0 pounds per square inch 2nd response

Outside Diameter

6.625 inches all ends

Thickness

0.500 inches all ends

First Connection Face To Centerline Distance

5.750 inches

Bolt Hole Diameter

0.562 inches all ends

Second Connection Face To Centerline Distance

5.750 inches

Bolt Circle Diameter

5.500 inches all ends

Flange Face Design

Plain all ends

Material

Copper alloy bodynickel alloy flow control devicerubber butadiene-acrylonitrile class nbr packingnickel alloy seatsteel comp 303 stem

Material Specification

Astmb61 assn standard single material response bodyqq-n-288 federal specification single material response flow control deviceqq-n-288 federal specification single material response seatastma582 assn standard single material response stem

Media For Which Designed

Liquid single response

Style Designator

Err-090

FSC

4820 Nonpowered Valves

NIIN

013542562

NSN

4820013542562

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

R10AL2L204-BM1

Cage Code:

34889

Status:

MSDS:

Part Number:

D50128

Cage Code:

34889

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 4820-01-354-2562

What are the manufacturers of nsn 4820013542562?

Hunt Valve Company Inc (34889)

Does this nsn 4820013542562 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820013542562
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 4820013542562 contain any precious metals?
No precious metal content.

Does nsn 4820013542562 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820013542562?
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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