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Safety Relief Valve NSN 4820-00-918-0901

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 4820-00-918-0901 NSN: 4820-00-918-0901

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Maximum Operating Temp
121.0 degrees celsius single response
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Adjustable Pressure Range
+8.0/+10.0 pounds per square inch
Thread Size
0.125 inches 1st end
Special Features
Hex. 0.500 in. Across flats
Material
Steel comp 302 seat
Material Specification
Qq-s-763, class 302 federal specification single material response seat
Media For Which Designed
Gas, natural single response
Surface Treatment
Passivate
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
009180901
NSN
4820009180901

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
806RLA02
Cage Code:
08996
Status:
A
MSDS:
Part Number:
P13-383
Cage Code:
91816
Status:
A
MSDS:
Part Number:
588.10-200000-008
Cage Code:
D0078
Status:
A
MSDS:
Part Number:
2163604
Cage Code:
11530
Status:
A
MSDS:
Part Number:
2163604-1
Cage Code:
11530
Status:
A
MSDS:
Part Number:
588-10-200000008
Cage Code:
D0078
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 4820-00-918-0901
What are the manufacturers of nsn 4820009180901?
Does this nsn 4820009180901 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009180901
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 4820009180901 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009180901 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009180901?
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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