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Safety Relief Valve NSN 4820-01-310-4258

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 4820-01-310-4258 NSN: 4820-01-310-4258

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Thread Size
0.250 inches all ends
Opening Pressure Setting
175.0 pounds per square inch
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
013104258
NSN
4820013104258

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
VAL-0018
Cage Code:
57328
Status:
A
MSDS:
Part Number:
VAL-18
Cage Code:
57328
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 4820-01-310-4258
What are the manufacturers of nsn 4820013104258?
Does this nsn 4820013104258 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013104258
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 4820013104258 contain any precious metals?
No precious metal content.
Does nsn 4820013104258 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013104258?
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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