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Safety Relief Valve NSN 4820-01-337-3884

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 4820-01-337-3884 NSN: 4820-01-337-3884

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Connection Style
G46b plain (pipe) 1st endg9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st endthreaded internal pipe 2nd end
Thread Size
1.000 inches 1st end1.500 inches 2nd end
Opening Pressure Setting
25.0 pounds per square inch
Material
Steel body
Style Designator
Err-090
Thread Series Designator
Npt 1st endnpt 2nd end
FSC
4820 Nonpowered Valves
NIIN
013373884
NSN
4820013373884

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
910F122
Cage Code:
01343
Status:
A
MSDS:
Part Number:
910F122 1.0 IN 25 PSI
Cage Code:
01343
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 4820-01-337-3884
What are the manufacturers of nsn 4820013373884?
Does this nsn 4820013373884 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013373884
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 4820013373884 contain any precious metals?
No precious metal content.
Does nsn 4820013373884 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013373884?
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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