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Safety Relief Valve NSN 4820-01-098-1626

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 4820-01-098-1626 NSN: 4820-01-098-1626

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
406.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) 1st endg9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st endthreaded internal pipe 2nd end
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.500 inches 1st end0.750 inches 2nd end
Opening Pressure Setting
185.0 pounds per square inch
Material
Copper alloy body
Material Specification
Qq-c-390, alloy d5/d/ federal specification single material response flow control device
Media For Which Designed
Water, fresh single response
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
010981626
NSN
4820010981626

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2478-185 PSI
Cage Code:
16497
Status:
A
MSDS:
Part Number:
1478-1/2IN185PSI
Cage Code:
38056
Status:
A
MSDS:
Part Number:
214636-1/2 IN-1478 185PSI
Cage Code:
38056
Status:
A
MSDS:
Part Number:
214636
Cage Code:
38056
Status:
A
MSDS:
Part Number:
1/2-1478 185PSI
Cage Code:
16497
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 4820-01-098-1626
What are the manufacturers of nsn 4820010981626?
Does this nsn 4820010981626 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010981626
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 4820010981626 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010981626 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010981626?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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