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Safety Relief Valve NSN 4820-00-410-5545

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 4820-00-410-5545 NSN: 4820-00-410-5545

Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
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 2nd end
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
20 2nd end
Adjustable Pressure Range
+3450.0 to 3500.0 pounds per square inch
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches 1st end
Opening Pressure Setting
3500.0 pounds per square inch
Outside Diameter Tube Accommodated
0.375 inches 1st end
Material
Steel comp 303 seat
Material Specification
Qq-s-764, type 303, cond a-canceled federal specification single material response seat
Media For Which Designed
Oil, hydraulic single response
Style Designator
Err-090
Thread Series Designator
Unjf 1st end
FSC
4820 Nonpowered Valves
NIIN
004105545
NSN
4820004105545

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1074
Cage Code:
06177
Status:
A
MSDS:
Part Number:
216-22605-1
Cage Code:
80378
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 4820-00-410-5545
What are the manufacturers of nsn 4820004105545?
Does this nsn 4820004105545 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004105545
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 4820004105545 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004105545 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004105545?
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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