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Safety Relief Valve NSN 4820-00-287-2454

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 4820-00-287-2454 NSN: 4820-00-287-2454

Features and Characteristics

Pipe Size Accommodated
0.500 inches 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Connection Style
Streamlined with one brazing ring err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe 1st end
Features Provided
Pressure tight outlet side
Adjustable Pressure Range
+104.0/+135.0 pounds per square inch
Material
Nickel alloy 400 stem
Media For Which Designed
Water-oil-gas single response
Style Designator
Angle
Nondefinitive Specification/std Data
A1 type and c class
Reference Number Differentiating Characteristics
As differentiated by adjustable pressure range
FSC
4820 Nonpowered Valves
NIIN
002872454
NSN
4820002872454

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5VAG72
Cage Code:
16497
Status:
A
MSDS:
Part Number:
1806CSU
Cage Code:
16497
Status:
A
MSDS:
Part Number:
D52UU-07
Cage Code:
5P967
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 4820-00-287-2454
What are the manufacturers of nsn 4820002872454?
Does this nsn 4820002872454 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002872454
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 4820002872454 contain any precious metals?
No precious metal content.
Does nsn 4820002872454 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002872454?
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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