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Safety Relief Valve NSN 4820-00-097-8172

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 4820-00-097-8172 NSN: 4820-00-097-8172

Features and Characteristics

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
7.0 gallons per minute
Maximum Operating Temp
275.0 degrees fahrenheit single response
Connection Style
Gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Features Provided
Valve stem lock shield and pressure tight outlet side
Adjustable Pressure Range
+1400.0/+2300.0 pounds per square inch
Maximum Operating Pressure
2500.0 pounds per square inch single response
Thread Size
0.562 inches all ends
Opening Pressure Setting
1900.0 pounds per square inch
Material
Stainless steel
Media For Which Designed
Hydraulic fluid, petroleum base single response
Surface Treatment
Passivate
Style Designator
Straight through note: to be used for valve bodies of one section only.
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
000978172
NSN
4820000978172

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS28893C61900
Cage Code:
96906
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 4820-00-097-8172
What are the manufacturers of nsn 4820000978172?
Does this nsn 4820000978172 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000978172
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 4820000978172 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820000978172 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000978172?
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
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