Safety Relief Valve NSN 4820-00-262-1081

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: 4820-00-262-1081

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Valve Discharge Flow Rate

22.0 gallons per minute

Renewable Seat Ring Type

Threaded

Maximum Operating Temp

150.0 degrees fahrenheit single response

Connection Style

Streamlined with two brazing rings (tube) err-100

Valve Operation Method

Automatic

Connection Type

Unthreaded internal tube all ends

Features Provided

Bonnet packing and pressure tight outlet side

Adjustable Pressure Range

+66.0/+75.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch single response

Outside Diameter Tube Accommodated

0.500 inches all ends

Special Features

Valve size 0.500 in. W/o silver brazing rings

Material

Steel seat

Material Specification

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

Media For Which Designed

Water, fresh single response

Style Designator

Angle

Test Data Document

81349-mil-s-901 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Nondefinitive Specification/std Data

B grade

FSC

4820 Nonpowered Valves

NIIN

002621081

NSN

4820002621081

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MILV24332

Cage Code:

81349

Status:

MSDS:

Part Number:

MILV24332GRB1/2 400-66T075SBU

Cage Code:

03950

Status:

MSDS:

Part Number:

20213KS41M

Cage Code:

15187

Status:

MSDS:

Part Number:

CS4820-0034

Cage Code:

16236

Status:

MSDS:

Part Number:

20213KS41MCID883116375

Cage Code:

01343

Status:

MSDS:

Part Number:

20213KS41M/20213/883116375

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 4820-00-262-1081

What are the manufacturers of nsn 4820002621081?

Does this nsn 4820002621081 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002621081
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 4820002621081 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820002621081 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002621081?
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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