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Safety Relief Valve NSN 4820-01-040-8741

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 4820-01-040-8741 NSN: 4820-01-040-8741

  Stock Availability

NSN 4820010408741 availability
(as of 11/17/2023).

  • NE: 132
  • NS: 266
  • SV: 1
  • AR: 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

Thread Class
2b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Piston
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
45.0 gallons per minute
Maximum Operating Temp
150.0 degrees fahrenheit single response
Connection Style
G4 gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Adjustable Pressure Range
+1500.0/+3000.0 pounds per square inch
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.875 inches all ends
Material
Steel
Media For Which Designed
Oil, hydraulic 2nd response
Style Designator
Err-090
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
010408741
NSN
4820010408741

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
590413
Cage Code:
62983
Status:
A
MSDS:
Part Number:
8071
Cage Code:
07443
Status:
A
MSDS:
Part Number:
345088
Cage Code:
62983
Status:
A
MSDS:
Part Number:
CS03F40
Cage Code:
62983
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 4820-01-040-8741
What are the manufacturers of nsn 4820010408741?
Does this nsn 4820010408741 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010408741
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 4820010408741 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010408741 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010408741?
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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