Safety Relief Valve NSN 4820-00-762-9701

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: 4820-00-762-9701

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Features and Characteristics

Pipe Size Accommodated

1.250 inches 1st end

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Maximum Operating Temp

165.0 degrees fahrenheit single response

End Application

Fleet modernization program-cruisers/destroyers

Connection Style

Streamlined with two brazing rings err-100

Valve Operation Method

Automatic

Connection Type

Unthreaded internal pipe all ends

Features Provided

Pressure tight outlet side

Adjustable Pressure Range

+501.0/+800.0 pounds per square inch

Maximum Operating Pressure

1500.0 pounds per square inch single response

Special Features

Hand lifting devise is required

Material

Plastic polytetrafluoroethylene flow control device

Material Specification

Qq-c-390, alloy d4/d federal specification single material response seat

Media For Which Designed

Alcohol, ethyl 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.).

FSC

4820 Nonpowered Valves

NIIN

007629701

NSN

4820007629701

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MILV22549

Cage Code:

81349

Status:

MSDS:

Part Number:

MILV22549G3-8-1500-501T0800SBU

Cage Code:

03950

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 4820-00-762-9701

What are the manufacturers of nsn 4820007629701?

Military Specifications (81349)
Naval Inventory Control Point (03950)

Does this nsn 4820007629701 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820007629701
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 4820007629701 contain any precious metals?
No precious metal content.

Does nsn 4820007629701 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820007629701?
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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