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Safety Relief Valve NSN 4820-00-474-1956

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 4820-00-474-1956 NSN: 4820-00-474-1956

Features and Characteristics

Flow Control Device
Poppet
Valve Operation Method
Automatic
Style Designator
Straight through w/baffle
FSC
4820 Nonpowered Valves
NIIN
004741956
NSN
4820004741956

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A51H9048-7
Cage Code:
26512
Status:
A
MSDS:
Part Number:
MC7226-7
Cage Code:
76050
Status:
A
MSDS:
Part Number:
39330-1
Cage Code:
26512
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 4820-00-474-1956
What are the manufacturers of nsn 4820004741956?
Does this nsn 4820004741956 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004741956
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 4820004741956 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004741956 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004741956?
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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