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Safety Relief Valve NSN 4820-00-146-6042

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 4820-00-146-6042 NSN: 4820-00-146-6042

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Renewable Seat Ring Type
Retaining screw
Maximum Operating Temp
180.0 degrees fahrenheit single response
Connection Style
Socket with brazing ring (tube) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal tube all ends
Adjustable Pressure Range
+5.0 to 9.0 pounds per square inch
Maximum Operating Pressure
750.0 pounds per square inch single response
Opening Pressure Setting
5.0 pounds per square inch
Outside Diameter Tube Accommodated
1.000 inches all ends
Material
Nickel alloy flow control device
Material Specification
Qq-n-281 federal specification single material response stem
Media For Which Designed
Gas, natural single response
Style Designator
Straight thru
Furnished Items And Quantity
2 brazing ring and 2 tailpiece
FSC
4820 Nonpowered Valves
NIIN
001466042
NSN
4820001466042

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
09975A01S0005
Cage Code:
15187
Status:
A
MSDS:
Part Number:
9975A
Cage Code:
01343
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 4820-00-146-6042
What are the manufacturers of nsn 4820001466042?
Does this nsn 4820001466042 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001466042
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 4820001466042 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820001466042 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001466042?
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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