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Safety Relief Valve NSN 4820-01-008-8576

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 4820-01-008-8576 NSN: 4820-01-008-8576

Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
10.0 gallons per minute
Maximum Operating Temp
160.0 degrees fahrenheit single response
Connection Style
G4 gasket sea (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 2nd end
Adjustable Pressure Range
+10.0/+200.0 pounds per square inch
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.500 inches 1st end
Outside Diameter Tube Accommodated
0.500 inches 1st end
Material
Aluminum alloy 356.0 seat
Material Specification
Qq-a-601, t6 federal specification single material response seat
Media For Which Designed
Nitrogen, gaseous single response
Surface Treatment
Anodize
Style Designator
Err-090
Thread Series Designator
Unjf 1st end
FSC
4820 Nonpowered Valves
NIIN
010088576
NSN
4820010088576

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
76912-3
Cage Code:
86768
Status:
A
MSDS:
Part Number:
S65-0-2191-22
Cage Code:
92003
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 4820-01-008-8576
What are the manufacturers of nsn 4820010088576?
Does this nsn 4820010088576 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010088576
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 4820010088576 contain any precious metals?
No precious metal content.
Does nsn 4820010088576 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010088576?
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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