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Safety Relief Valve NSN 4820-01-285-4558

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 4820-01-285-4558 NSN: 4820-01-285-4558

Features and Characteristics

Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
150.0 degrees fahrenheit single response
End Application
Forrestal class cv
Connection Style
Socket with brazing ring err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal tube all ends
Adjustable Pressure Range
+76.0/+90.0 pounds per square inch
Outside Diameter Tube Accommodated
1.250 inches all ends
Material
Nickel alloy stem
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
012854558
NSN
4820012854558

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
20348LS41M
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20348
Cage Code:
01343
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 4820-01-285-4558
What are the manufacturers of nsn 4820012854558?
Does this nsn 4820012854558 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012854558
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 4820012854558 contain any precious metals?
No precious metal content.
Does nsn 4820012854558 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012854558?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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