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Safety Relief Valve NSN 4820-01-451-2487

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 4820-01-451-2487 NSN: 4820-01-451-2487

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
400.0 degrees fahrenheit single response
Minimum Operating Temp
-20.0 degrees fahrenheit
End Application
Strategic sealift conversion ships class
Connection Style
G9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Maximum Operating Pressure
2000.0 pounds per square inch single response
Thread Size
1.000 inches 2nd end
Opening Pressure Setting
220.0 pounds per square inch
Special Features
Carbon stee (phosphated) spring; 0.110 sq.In.Orifice area
Material
Steel comp 410 stem
Material Specification
Astm a479 assn standard single material response flow control device
Media For Which Designed
Air 1st response
Style Designator
Err-090
Thread Series Designator
Npt all ends
Furnished Items And Quantity
1 lever
FSC
4820 Nonpowered Valves
NIIN
014512487
NSN
4820014512487

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
19110LC-2-CC-MS-31-MT-FT-GS
Cage Code:
16497
Status:
A
MSDS:
Part Number:
1990 REV 0
Cage Code:
16497
Status:
A
MSDS:
Part Number:
1990C-1 X .75 220PSI
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 4820-01-451-2487
What are the manufacturers of nsn 4820014512487?
Does this nsn 4820014512487 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014512487
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 4820014512487 contain any precious metals?
No precious metal content.
Does nsn 4820014512487 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014512487?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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