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Safety Relief Valve NSN 4820-00-446-3311

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 4820-00-446-3311 NSN: 4820-00-446-3311

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Features and Characteristics

Pipe Size Accommodated
0.750 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Connection Style
Plain (pipe) 1st end
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe 1st end
Adjustable Pressure Range
+105.0/+115.0 pounds per square inch
Maximum Operating Pressure
250.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Material
Copper alloy
Media For Which Designed
Fuel/oil, hydrocarbon 2nd response
Style Designator
Straight thru
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
004463311
NSN
4820004463311

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
90AR494
Cage Code:
6X081
Status:
A
MSDS:
Part Number:
FIG1-110LBS
Cage Code:
01343
Status:
A
MSDS:
Part Number:
38436W
Cage Code:
83179
Status:
A
MSDS:
Part Number:
W7708PC238
Cage Code:
83179
Status:
A
MSDS:
Part Number:
W7710PC238
Cage Code:
83179
Status:
A
MSDS:
Part Number:
W8064PC238
Cage Code:
83179
Status:
A
MSDS:
Part Number:
6600PC138
Cage Code:
24047
Status:
A
MSDS:
Part Number:
6602PC138
Cage Code:
24047
Status:
A
MSDS:
Part Number:
90G8
Cage Code:
24047
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 4820-00-446-3311
What are the manufacturers of nsn 4820004463311?
Does this nsn 4820004463311 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004463311
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 4820004463311 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004463311 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004463311?
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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