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Safety Relief Valve NSN 4820-00-794-1776

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 4820-00-794-1776 NSN: 4820-00-794-1776

Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Connection Style
Gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 2nd end
Mounting Facility
Threaded fastener
Features Provided
Bonnet packing
Thready Qty Per Inch (tpi)
18 2nd end
Adjustable Pressure Range
+10.0/+200.0 pounds per square inch
Thread Size
0.750 inches 1st end
Outside Diameter Tube Accommodated
0.500 inches 1st end
Material
Aluminum alloy 208.0 body or aluminum alloy 319.0 body or aluminum alloy 328.0 body
Material Specification
Qq-a-601, t6 federal specification single material response body
Style Designator
Angle
Thread Series Designator
Unf 2nd end
FSC
4820 Nonpowered Valves
NIIN
007941776
NSN
4820007941776

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
76912-2
Cage Code:
72352
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 4820-00-794-1776
What are the manufacturers of nsn 4820007941776?
Does this nsn 4820007941776 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820007941776
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 4820007941776 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820007941776 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820007941776?
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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