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Safety Relief Valve NSN 4820-00-289-3769

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 4820-00-289-3769 NSN: 4820-00-289-3769

Features and Characteristics

Pipe Size Accommodated
1.500 inches 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
6 2nd end
Maximum Operating Temp
425.0 degrees fahrenheit single response
Connection Style
Swivel nut, gasket sea (tube) all ends
Valve Operation Method
Air
Flange Shape
Round with holes 2nd end
Connection Type
Unthreaded internal pipe 1st end
Adjustable Pressure Range
+31.0/+48.0 pounds per square inch
Maximum Operating Pressure
100.0 pounds per square inch single response
Outside Diameter
5.062 inches 2nd end
Thickness
0.562 inches 2nd end
Bolt Hole Diameter
0.562 inches 2nd end
Bolt Circle Diameter
3.938 inches 2nd end
Flange Face Design
Plain 2nd end
Special Features
W/lifting lever
Material
Nickel alloy flow control device
Media For Which Designed
Steam single response
Style Designator
Angle
FSC
4820 Nonpowered Valves
NIIN
002893769
NSN
4820002893769

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5VAL72
Cage Code:
16497
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 4820-00-289-3769
What are the manufacturers of nsn 4820002893769?
Does this nsn 4820002893769 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002893769
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 4820002893769 contain any precious metals?
No precious metal content.
Does nsn 4820002893769 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002893769?
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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