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Safety Relief Valve NSN 4820-00-948-5784

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 4820-00-948-5784 NSN: 4820-00-948-5784

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Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Features Provided
Bonnet packing and valve stem lock shield
Adjustable Pressure Range
+40.0/+125.0 pounds per square inch
Maximum Operating Pressure
125.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
90.0 pounds per square inch
Outside Diameter Tube Accommodated
0.500 inches 1st end
Material
Stainless steel flow control device and rubber butadiene-acrylonitrile class nbr flow control device
Media For Which Designed
Oil, lubricating, diester base single response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response
Style Designator
Err-090
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
009485784
NSN
4820009485784

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1C3576P10
Cage Code:
07482
Status:
A
MSDS:
Part Number:
638XB3-8-11
Cage Code:
86768
Status:
A
MSDS:
Part Number:
628XB3-8-11
Cage Code:
86768
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 4820-00-948-5784
What are the manufacturers of nsn 4820009485784?
Does this nsn 4820009485784 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009485784
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 4820009485784 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009485784 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009485784?
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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