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Safety Relief Valve NSN 4820-01-204-9474

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 4820-01-204-9474 NSN: 4820-01-204-9474

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Valve Operation Method
Automatic or manual
Thread Size
0.250 inches 1st end
Opening Pressure Setting
260.0 pounds per square inch
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
012049474
NSN
4820012049474

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1/4 FIG 548@260
Cage Code:
01343
Status:
A
MSDS:
Part Number:
48A260-1/4
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 4820-01-204-9474
What are the manufacturers of nsn 4820012049474?
Does this nsn 4820012049474 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012049474
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 4820012049474 contain any precious metals?
No precious metal content.
Does nsn 4820012049474 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012049474?
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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