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Safety Relief Valve NSN 4820-01-248-5139

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 4820-01-248-5139 NSN: 4820-01-248-5139

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Connection Style
G9 plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Adjustable Pressure Range
+271.0/+300.0 pounds per square inch
Thread Size
0.750 inches 1st end
Material
Copper alloy 464 body
Media For Which Designed
Air 1st response
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
012485139
NSN
4820012485139

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C10958-1 271T30
Cage Code:
01343
Status:
A
MSDS:
Part Number:
912BFEM01-KG0271
Cage Code:
01343
Status:
A
MSDS:
Part Number:
912BFEM
Cage Code:
01343
Status:
A
MSDS:
Part Number:
C10958-1 271T300 PSI 1/2X3/4NPT
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 4820-01-248-5139
What are the manufacturers of nsn 4820012485139?
Does this nsn 4820012485139 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012485139
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 4820012485139 contain any precious metals?
No precious metal content.
Does nsn 4820012485139 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012485139?
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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