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Safety Relief Valve NSN 4820-01-483-2690

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 4820-01-483-2690 NSN: 4820-01-483-2690

Features and Characteristics

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
1.500 cubic feet per minute
End Application
C-103 aircraft
Connection Style
G4 gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Mounting Facility
Lug
Maximum Operating Pressure
30.0 pounds per square inch single response
Thread Size
0.4375 inches all ends
Opening Pressure Setting
21.0 pounds per square inch
Part Name Assigned By Controlling Agency
Valve, relief, pressure
Material
Iron
Style Designator
Err-090
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
014832690
NSN
4820014832690

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2391243-27-1
Cage Code:
99221
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 4820-01-483-2690
What are the manufacturers of nsn 4820014832690?
Does this nsn 4820014832690 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014832690
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 4820014832690 contain any precious metals?
No precious metal content.
Does nsn 4820014832690 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014832690?
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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