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Safety Relief Valve NSN 4820-01-004-5078

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 4820-01-004-5078 NSN: 4820-01-004-5078

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Renewable Seat Ring Type
Pressed-in
Connection Style
G46b plain (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external pipe all ends
Adjustable Pressure Range
+3.0/+50.0 pounds per square inch
Maximum Operating Pressure
2500.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Material
Copper alloy body
Media For Which Designed
Water-oil-gas single response
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
010045078
NSN
4820010045078

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B-4CPA2-3
Cage Code:
02570
Status:
A
MSDS:
Part Number:
19E3-101
Cage Code:
98437
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 4820-01-004-5078
What are the manufacturers of nsn 4820010045078?
Does this nsn 4820010045078 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010045078
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 4820010045078 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010045078 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010045078?
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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