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Safety Relief Valve NSN 4820-00-288-7304

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 4820-00-288-7304 NSN: 4820-00-288-7304

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Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
97.0 cubic feet per minute
Maximum Operating Temp
350.0 degrees fahrenheit single response
Connection Style
Plain (pipe) all ends
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe all ends
Features Provided
Valve stem lock shield
Adjustable Pressure Range
+35.0/+59.0 pounds per square inch
Maximum Operating Pressure
250.0 pounds per square inch single response
Thread Size
0.500 inches all ends
Opening Pressure Setting
50.0 pounds per square inch
Special Features
Furnished w/manual pressure relief lever
Material
Copper alloy
Media For Which Designed
Gas, natural 2nd response
Style Designator
Angle
Thread Series Designator
Npt all ends
Furnished Items And Quantity
1 cap and 1 chain
FSC
4820 Nonpowered Valves
NIIN
002887304
NSN
4820002887304

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
149-1-2
Cage Code:
14915
Status:
A
MSDS:
Part Number:
X1396T3-50
Cage Code:
6R484
Status:
A
MSDS:
Part Number:
FIG 105C1/2 50PSI
Cage Code:
75336
Status:
A
MSDS:
Part Number:
1A-1/2IN35T59PSI
Cage Code:
01343
Status:
A
MSDS:
Part Number:
FIGURE 1A-1/2-50PSI
Cage Code:
01343
Status:
A
MSDS:
Part Number:
1P460
Cage Code:
30760
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 4820-00-288-7304
What are the manufacturers of nsn 4820002887304?
Does this nsn 4820002887304 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002887304
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 4820002887304 contain any precious metals?
No precious metal content.
Does nsn 4820002887304 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002887304?
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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