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Safety Relief Valve NSN 4820-00-552-2205

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 4820-00-552-2205 NSN: 4820-00-552-2205

Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
280.0 degrees fahrenheit single response
Connection Style
Plain (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Adjustable Pressure Range
+60.0/+150.0 pounds per square inch
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.437 inches 1st end
Opening Pressure Setting
115.0 pounds per square inch
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Steel comp 303 seat
Material Specification
Fed std66, aisi 303/sae 30303 federal standard single material response seat
Media For Which Designed
Helium 5th response
Style Designator
Straight through w/baffle
Thread Series Designator
Unjf 1st end
Furnished Items And Quantity
1 deflector cap
FSC
4820 Nonpowered Valves
NIIN
005522205
NSN
4820005522205

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
D559T-4D-115
Cage Code:
91816
Status:
A
MSDS:
Part Number:
513-50055
Cage Code:
AJ609
Status:
A
MSDS:
Part Number:
513-50116
Cage Code:
9F512
Status:
A
MSDS:
Part Number:
1-4D559T4D115
Cage Code:
91816
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 4820-00-552-2205
What are the manufacturers of nsn 4820005522205?
Does this nsn 4820005522205 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005522205
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 4820005522205 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820005522205 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005522205?
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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