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Safety Relief Valve NSN 4820-01-283-2986

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 4820-01-283-2986 NSN: 4820-01-283-2986

Features and Characteristics

Disk Loading Method
Spring
Maximum Operating Temp
400.0 degrees fahrenheit single response
Connection Style
G9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.250 inches 2nd end
Opening Pressure Setting
12.0 pounds per square inch
Material
Steel comp 316 body
Material Specification
Astm a479, type 316 assn standard single material response body
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type i, ii orfederal specification single treatment response
Style Designator
Err-090
Thread Series Designator
Npt 1st end
Fsc Application Data
An/slq-48, vehicle, submersible mine locator, mns
FSC
4820 Nonpowered Valves
NIIN
012832986
NSN
4820012832986

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5267055
Cage Code:
53711
Status:
A
MSDS:
Part Number:
5267055-002
Cage Code:
53711
Status:
A
MSDS:
Part Number:
559T1-2MP-12
Cage Code:
91816
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 4820-01-283-2986
What are the manufacturers of nsn 4820012832986?
Does this nsn 4820012832986 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012832986
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 4820012832986 contain any precious metals?
No precious metal content.
Does nsn 4820012832986 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012832986?
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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