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Safety Relief Valve NSN 4820-00-289-0829

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 4820-00-289-0829 NSN: 4820-00-289-0829

Features and Characteristics

Flow Control Device
Disk
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
250.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Features Provided
Pressure tight outlet side
Valve Size
2.500 inches
Adjustable Pressure Range
+20.0/+24.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
7.000 inches all ends
Thickness
0.062 inches all ends
First Connection Face To Centerline Distance
5.500 inches
Bolt Hole Diameter
0.750 inches all ends
Second Connection Face To Centerline Distance
5.500 inches
Bolt Circle Diameter
5.500 inches all ends
Flange Face Design
Plain all ends
Special Features
W/lifting lever
Material
Stainless steel stem
Media For Which Designed
Water-oil-gas single response
Style Designator
Angle flanged ends
FSC
4820 Nonpowered Valves
NIIN
002890829
NSN
4820002890829

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
202300241M
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20230
Cage Code:
01343
Status:
A
MSDS:
Part Number:
2023000341M
Cage Code:
01343
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 4820-00-289-0829
What are the manufacturers of nsn 4820002890829?
Does this nsn 4820002890829 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002890829
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 4820002890829 contain any precious metals?
No precious metal content.
Does nsn 4820002890829 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002890829?
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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  •   Quality Inspected Parts
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