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Safety Relief Valve NSN 4820-00-850-3773

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 4820-00-850-3773 NSN: 4820-00-850-3773

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Pressure seal, ring type
Disk Loading Method
Spring
Maximum Operating Temp
160.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Opening Pressure Setting
1300.0 pounds per square inch
Material
Copper alloy
Media For Which Designed
Nitrogen, gaseous single response
FSC
4820 Nonpowered Valves
NIIN
008503773
NSN
4820008503773

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7439282P1
Cage Code:
99971
Status:
A
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 4820-00-850-3773
What are the manufacturers of nsn 4820008503773?
Does this nsn 4820008503773 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008503773
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 4820008503773 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820008503773 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008503773?
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:
AP
Cond. Code:
1
Status:
A

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