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Safety Relief Valve NSN 4820-01-249-0007

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 4820-01-249-0007 NSN: 4820-01-249-0007

Features and Characteristics

Pipe Size Accommodated
0.750 inches all ends
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Renewable Seat Ring Type
Welded
Maximum Operating Temp
425.0 degrees fahrenheit 2nd response
Connection Style
Socket with brazing ring err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Adjustable Pressure Range
+45.0/+75.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch 1st response
Material
Steel comp 316 stem
Media For Which Designed
Air single response
Style Designator
Err-090
Furnished Items And Quantity
1 lever
FSC
4820 Nonpowered Valves
NIIN
012490007
NSN
4820012490007

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
D50UU-05-3/8-3/
Cage Code:
65079
Status:
A
MSDS:
Part Number:
BASAA05SDD
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
D50UU-05-3/4-3/4
Cage Code:
65079
Status:
A
MSDS:
Part Number:
D3400
Cage Code:
65079
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 4820-01-249-0007
What are the manufacturers of nsn 4820012490007?
Does this nsn 4820012490007 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012490007
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 4820012490007 contain any precious metals?
No precious metal content.
Does nsn 4820012490007 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012490007?
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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