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Safety Relief Valve NSN 4820-01-411-5545

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 4820-01-411-5545 NSN: 4820-01-411-5545

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Diaphragm
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Maximum Operating Temp
500.0 degrees fahrenheit single response
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Adjustable Pressure Range
+25.0/+125.0 pounds per square inch
Maximum Operating Pressure
125.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Special Features
Designed for tactical aircraft deicer
Material
Stainless steel seat
Media For Which Designed
Fuel/oil, hydrocarbon single response
Style Designator
Err-090
Thread Series Designator
Nptf all ends
FSC
4820 Nonpowered Valves
NIIN
014115545
NSN
4820014115545

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
15597 W/1841
Cage Code:
71342
Status:
A
MSDS:
Part Number:
1709AS994
Cage Code:
30003
Status:
A
MSDS:
Part Number:
1709AS994-01
Cage Code:
30003
Status:
A
MSDS:
Part Number:
BQ1B4-2B07-1400
Cage Code:
88078
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 4820-01-411-5545
What are the manufacturers of nsn 4820014115545?
Does this nsn 4820014115545 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014115545
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 4820014115545 contain any precious metals?
No precious metal content.
Does nsn 4820014115545 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014115545?
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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