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Safety Relief Valve NSN 4820-01-472-5101

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 4820-01-472-5101 NSN: 4820-01-472-5101

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Piston
Disk Loading Method
Spring
Maximum Operating Temp
225.0 degrees fahrenheit single response
Minimum Operating Temp
-40.0 degrees fahrenheit
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 2nd end
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.625 inches 2nd end
Opening Pressure Setting
270.0 pounds per square inch
Special Features
length 3.580 in. ; orifice dia. 0.250 in.; weight 0.85 lb. ; also suitable for 123 and 134a refrigerants and non-corrosive industrial fluids
Material
Copper alloy body
Media For Which Designed
Refrigerant 12 1st response
Style Designator
Err-090
Thread Series Designator
Unf 2nd end
FSC
4820 Nonpowered Valves
NIIN
014725101
NSN
4820014725101

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5231-B 300PSI
Cage Code:
28193
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 4820-01-472-5101
What are the manufacturers of nsn 4820014725101?
Does this nsn 4820014725101 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014725101
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 4820014725101 contain any precious metals?
No precious metal content.
Does nsn 4820014725101 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014725101?
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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