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Safety Relief Valve NSN 4820-00-287-4105

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 4820-00-287-4105 NSN: 4820-00-287-4105

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Features and Characteristics

Pipe Size Accommodated
1.250 inches 1st end
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Exposed spring
Bonnet Attachment Method
Union
Disk Loading Method
Spring
Maximum Operating Temp
425.0 degrees fahrenheit 1st response
Connection Style
Plain, optional en (pipe) all ends
Valve Operation Method
Automatic or manual
Connection Type
Threaded internal pipe all ends
Features Provided
Valve stem lock shield
Adjustable Pressure Range
+4.0/+9.0 pounds per square inch
Maximum Operating Pressure
300.0 pounds per square inch 2nd response
Thread Size
1.250 inches all ends
Material
Nickel alloy seat
Media For Which Designed
Air 2nd response
Style Designator
Angle
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
002874105
NSN
4820002874105

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
460-0275-000
Cage Code:
76371
Status:
A
MSDS:
Part Number:
51-143PC580
Cage Code:
70876
Status:
A
MSDS:
Part Number:
51-160PC580
Cage Code:
70876
Status:
A
MSDS:
Part Number:
51-332PC580
Cage Code:
70876
Status:
A
MSDS:
Part Number:
51-335PC580
Cage Code:
70876
Status:
A
MSDS:
Part Number:
51-391PC580
Cage Code:
70876
Status:
A
MSDS:
Part Number:
51-449PC580
Cage Code:
70876
Status:
A
MSDS:
Part Number:
M36461-1PC46
Cage Code:
70876
Status:
A
MSDS:
Part Number:
M36548-1PC580
Cage Code:
70876
Status:
A
MSDS:
Part Number:
M36558-2ALT1PC580
Cage Code:
70876
Status:
A
MSDS:
Part Number:
M36558-2PC580
Cage Code:
70876
Status:
A
MSDS:
Part Number:
M36737PC580
Cage Code:
70876
Status:
A
MSDS:
Part Number:
M36812PC580
Cage Code:
70876
Status:
A
MSDS:
Part Number:
V009
Cage Code:
70876
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 4820-00-287-4105
What are the manufacturers of nsn 4820002874105?
Does this nsn 4820002874105 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002874105
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 4820002874105 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002874105 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002874105?
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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