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Safety Relief Valve NSN 4820-00-090-6411

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 4820-00-090-6411 NSN: 4820-00-090-6411

Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
End Application
An/alq-119
Connection Style
Gasket sea (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 1st end
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
20 2nd end
Thread Size
0.438 inches 2nd end
Opening Pressure Setting
37.0 pounds per square inch
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 1 military specification single treatment response
Style Designator
Straight thru
Thread Series Designator
Unjf 1st end
FSC
4820 Nonpowered Valves
NIIN
000906411
NSN
4820000906411

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
64A-4DB-35
Cage Code:
91816
Status:
A
MSDS:
Part Number:
578R946H01
Cage Code:
97942
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 4820-00-090-6411
What are the manufacturers of nsn 4820000906411?
Does this nsn 4820000906411 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000906411
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 4820000906411 contain any precious metals?
No precious metal content.
Does nsn 4820000906411 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000906411?
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
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