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Safety Relief Valve NSN 4820-00-412-8092

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 4820-00-412-8092 NSN: 4820-00-412-8092

Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Maximum Operating Temp
71.0 degrees celsius single response
Connection Style
External seat for gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external boss 1st end
Features Provided
Valve stem lock shield
Thread Size
0.437 inches 1st end
Opening Pressure Setting
33.0 pounds per square inch
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Steel comp 303se seat
Material Specification
Qq-a-225/5, alloy 2017, t4 federal specification single material response body
Style Designator
Straight through w/baffle
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
004128092
NSN
4820004128092

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
RD10280M1
Cage Code:
51663
Status:
A
MSDS:
Part Number:
332-2115-010
Cage Code:
95105
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 4820-00-412-8092
What are the manufacturers of nsn 4820004128092?
Does this nsn 4820004128092 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004128092
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 4820004128092 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004128092 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004128092?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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