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Safety Relief Valve NSN 4820-01-045-4798

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 4820-01-045-4798 NSN: 4820-01-045-4798

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Valve Discharge Flow Rate
10.0 liters per minute
Maximum Operating Temp
121.0 degrees celsius single response
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Thread Size
0.125 inches 1st end
Opening Pressure Setting
1.5 pounds per square inch
Special Features
Hex. 0.500 in. Across flats
Material
Steel comp 302 body or steel comp 304 body or steel comp 316 body
Material Specification
Qq-s-763 federal specification all material responses body
Media For Which Designed
Gas, natural single response
Surface Treatment
Passivate
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
010454798
NSN
4820010454798

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
806RLA02-3
Cage Code:
08996
Status:
A
MSDS:
Part Number:
588.10-100000-003
Cage Code:
D0078
Status:
A
MSDS:
Part Number:
639AS595
Cage Code:
30003
Status:
A
MSDS:
Part Number:
806R1A02
Cage Code:
08996
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 4820-01-045-4798
What are the manufacturers of nsn 4820010454798?
Does this nsn 4820010454798 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010454798
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 4820010454798 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010454798 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010454798?
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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