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Safety Relief Valve NSN 4820-00-045-3544

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 4820-00-045-3544 NSN: 4820-00-045-3544

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Features and Characteristics

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Cone
Disk Loading Method
Spring
Connection Style
Flared (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
16 all ends
Adjustable Pressure Range
+1400.0 to 2100.0 pounds per square inch
Thread Size
0.750 inches all ends
Seat Angle
37.0 degrees all ends
Opening Pressure Setting
1750.0 pounds per square inch
Outside Diameter Tube Accommodated
0.500 inches all ends
Material
Copper alloy
Style Designator
Angle
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
000453544
NSN
4820000453544

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
634XB-10-8-2
Cage Code:
09990
Status:
A
MSDS:
Part Number:
L6751
Cage Code:
46717
Status:
A
MSDS:
Part Number:
634XB10-8-2
Cage Code:
86768
Status:
A
MSDS:
Part Number:
2-464-1
Cage Code:
86768
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 4820-00-045-3544
What are the manufacturers of nsn 4820000453544?
Does this nsn 4820000453544 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000453544
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 4820000453544 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820000453544 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000453544?
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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