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Safety Relief Valve NSN 4820-01-646-5777

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 4820-01-646-5777 NSN: 4820-01-646-5777

Features and Characteristics

Pipe Size Accommodated
1.50 inches 2nd end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Maximum Operating Temp
406.00 degrees fahrenheit single response
Length
10.50 inches all ends
Valve Operation Method
Manual
Maximum Operating Pressure
300.00 pounds per square inch single response
Opening Pressure Setting
50.00 pounds per square inch
First Connection Face To Centerline Distance
2.875 inches
Second Connection Face To Centerline Distance
2.375 inches
Part Name Assigned By Controlling Agency
Valve, angle relief
Special Features
Male x female threaded npt; packed lever; valve service: liquid asme section viii;
Material
Stainless steel flow control device
Material Specification
Astm b584 alloy 84400 national specification single material response body
Style Designator
Angle
Furnished Items And Quantity
1 lever
FSC
4820 Nonpowered Valves
NIIN
016465777
NSN
4820016465777

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
912BFEM06-JE0050
Cage Code:
1X5W8
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 4820-01-646-5777
What are the manufacturers of nsn 4820016465777?
Does this nsn 4820016465777 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016465777
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 4820016465777 contain any precious metals?
No precious metal content.
Does nsn 4820016465777 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820016465777?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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