Safety Relief Valve NSN 4820-01-479-6153

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: 4820-01-479-6153

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Features and Characteristics

Valve Discharge Flow Rate

22.0 gallons per minute

Maximum Operating Temp

200.0 degrees fahrenheit single response

Minimum Operating Temp

-65.0 degrees fahrenheit

End Application

Joint stars acft, e8 acft

Connection Style

G42 flared (tube) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external tube all ends

Maximum Operating Pressure

110.0 pounds per square inch single response

Opening Pressure Setting

110.0 pounds per square inch

Part Name Assigned By Controlling Agency

Valve, bypass, radar liquid cooling

Special Features

Ambient temp range -65 to +200 def feh; cooland fluid temp range -65 to +200 degrees feh; cooland fluid pressure range 0 psig to 155 psig; proof pressure is two times the max operating pressure at max operating temp; weight 23 ounces; material is al 2024-t351 per qq-a-250/4; fluid shall be compatible with a fluid conforming to gm 60031; dimension: body 3.55 inches in length; face to face outlets 5.70 inches; diameter 2.50; end connection conform to ms33656-16 typ

Material

Aluminum alloy 2024 body

Reference Number Differentiating Characteristics

As differentiated by source control drawing

FSC

4820 Nonpowered Valves

NIIN

014796153

NSN

4820014796153

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

C99E9003-1

Cage Code:

26512

Status:

MSDS:

Part Number:

L70920-16SS105L

Cage Code:

01178

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 4820-01-479-6153

What are the manufacturers of nsn 4820014796153?

Northrop Grumman Systems Corporation (26512)
Lourdes Industries, Inc. (01178)

Does this nsn 4820014796153 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014796153
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 4820014796153 contain any precious metals?
No precious metal content.

Does nsn 4820014796153 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014796153?
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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