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Safety Relief Valve NSN 4820-00-904-1527

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 4820-00-904-1527 NSN: 4820-00-904-1527

Features and Characteristics

Pipe Size Accommodated
0.750 inches 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
G9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Features Provided
Valve stem lock shield
Thready Qty Per Inch (tpi)
14 2nd end
Thread Size
0.750 inches 2nd end
Opening Pressure Setting
300.0 pounds per square inch
Material
Nickel alloy flow control device
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
009041527
NSN
4820009041527

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M20PR
Cage Code:
01343
Status:
A
MSDS:
Part Number:
FIGM20PR
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 4820-00-904-1527
What are the manufacturers of nsn 4820009041527?
Does this nsn 4820009041527 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009041527
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 4820009041527 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009041527 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009041527?
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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