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Safety Relief Valve NSN 4820-01-246-5976

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 4820-01-246-5976 NSN: 4820-01-246-5976

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
Streamlined with one brazing ring (tube) err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal tube all ends
Adjustable Pressure Range
+10.0/+12.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Outside Diameter Tube Accommodated
0.500 inches all ends
Material
Stainless steel stem
Material Specification
Qq-n-281 federal specification single material response seat
Media For Which Designed
Gas, inert 2nd response
Style Designator
Err-090
Furnished Items And Quantity
1 lever
FSC
4820 Nonpowered Valves
NIIN
012465976
NSN
4820012465976

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
R10BDUU03
Cage Code:
34889
Status:
A
MSDS:
Part Number:
R10BD1D103
Cage Code:
34889
Status:
A
MSDS:
Part Number:
R10BD1D103 D48667
Cage Code:
34889
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 4820-01-246-5976
What are the manufacturers of nsn 4820012465976?
Does this nsn 4820012465976 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012465976
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 4820012465976 contain any precious metals?
No precious metal content.
Does nsn 4820012465976 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012465976?
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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