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Safety Relief Valve NSN 4820-01-576-4770

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 4820-01-576-4770 NSN: 4820-01-576-4770

Features and Characteristics

Thread Direction
Right-hand 1st end
Maximum Operating Temp
275.0 degrees fahrenheit single response
Minimum Operating Temp
-65.0 degrees fahrenheit
End Application
New construction cvn77
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Thread Size
0.500 inches 1st end
Opening Pressure Setting
2.0 pounds per square inch
Material
Copper alloy body
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
015764770
NSN
4820015764770

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
D559B-4M-2.0
Cage Code:
91816
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 4820-01-576-4770
What are the manufacturers of nsn 4820015764770?
Does this nsn 4820015764770 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015764770
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 4820015764770 contain any precious metals?
No precious metal content.
Does nsn 4820015764770 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015764770?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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