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Safety Relief Valve NSN 4820-01-283-5911

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 4820-01-283-5911 NSN: 4820-01-283-5911

Features and Characteristics

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Connection Style
G43 external seat for gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Maximum Operating Pressure
18.0 pounds per square inch single response
Thread Size
0.562 inches all ends
Seat Angle
37.0 degrees all ends
Opening Pressure Setting
15.0 pounds per square inch
Thread Series Designator
Unjf all ends
FSC
4820 Nonpowered Valves
NIIN
012835911
NSN
4820012835911

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4925-3-000
Cage Code:
14923
Status:
A
MSDS:
Part Number:
4925-2-000
Cage Code:
14923
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 4820-01-283-5911
What are the manufacturers of nsn 4820012835911?
Does this nsn 4820012835911 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012835911
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 4820012835911 contain any precious metals?
No precious metal content.
Does nsn 4820012835911 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012835911?
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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