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Safety Relief Valve NSN 4820-01-479-9722

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 4820-01-479-9722 NSN: 4820-01-479-9722

Features and Characteristics

Pipe Size Accommodated
3.000 inches all ends
Flow Control Device
Diaphragm
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Valve Operation Method
Air
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
3.000 inches
Adjustable Pressure Range
+3.0/+25.0 pounds per square inch
Maximum Operating Pressure
25.0 pounds per square inch single response
Outside Diameter
7.500 inches all ends
Face To Face Distance
8.625 inches
Thickness
0.750 inches all ends
Bolt Hole Diameter
0.750 inches all ends
Bolt Circle Diameter
6.000 inches all ends
Flange Face Design
Plain all ends
Part Name Assigned By Controlling Agency
Valve, regulating fluid
Special Features
Built to a general electric drawing number 226a1044p003
Material
Iron cast body
Media For Which Designed
Liquid 1st response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
014799722
NSN
4820014799722

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
RP-1066-A1/E76L385
Cage Code:
73475
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 4820-01-479-9722
What are the manufacturers of nsn 4820014799722?
Does this nsn 4820014799722 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014799722
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 4820014799722 contain any precious metals?
No precious metal content.
Does nsn 4820014799722 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014799722?
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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