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Safety Relief Valve NSN 4820-01-131-5918

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 4820-01-131-5918 NSN: 4820-01-131-5918

Features and Characteristics

Pipe Size Accommodated
0.500 inches all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
End Application
Combat system support equipment
Connection Style
Reduced gasket seal err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Adjustable Pressure Range
+25.0/+29.0 pounds per square inch
Material
Steel comp 316 stem
Material Specification
Qq-c-390, alloy d4/d/ federal specification 1st material response flow control device or qq-n-281 federal specification 2nd material response flow control device
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
011315918
NSN
4820011315918

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8002
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20058
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20058E51M
Cage Code:
15187
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 4820-01-131-5918
What are the manufacturers of nsn 4820011315918?
Does this nsn 4820011315918 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011315918
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 4820011315918 contain any precious metals?
No precious metal content.
Does nsn 4820011315918 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011315918?
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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  •   Quality Inspected Parts
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