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Safety Relief Valve NSN 4820-01-263-7974

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 4820-01-263-7974 NSN: 4820-01-263-7974

  Stock Availability

NSN 4820012637974 availability
(as of 01/25/2022).

  • NS: 1
  • NE: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Flow Control Device
Ball
Disk Loading Method
Spring
Connection Style
G46b plain (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external pipe all ends
Opening Pressure Setting
100.0 pounds per square inch
Material
Steel
Media For Which Designed
Air single response
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
012637974
NSN
4820012637974

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1128AS121
Cage Code:
00994
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 4820-01-263-7974
What are the manufacturers of nsn 4820012637974?
Does this nsn 4820012637974 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012637974
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 4820012637974 contain any precious metals?
No precious metal content.
Does nsn 4820012637974 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012637974?
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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