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Safety Relief Valve NSN 4820-01-430-4136

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 4820-01-430-4136 NSN: 4820-01-430-4136

Features and Characteristics

Thread Class
2a all ends
Thread Direction
Right-hand all ends
End Application
5895-01-361-3887
Connection Style
G50 external seat for gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external boss all ends
Mounting Facility
Clamp
Thready Qty Per Inch (tpi)
32 all ends
Thread Size
0.875 inches all ends
Opening Pressure Setting
1.0 pounds per square inch
Material
Aluminum alloy 2011 and stainless steel
Material Specification
Qq-a-225/3 federal specification 1st material response and astm a-580 or a-313 assn standard 2nd material response
Media For Which Designed
Vacuum single response
Surface Treatment
Anodize and passivate
Surface Treatment Specification
Mil-a-8625, ty ii military specification 1st treatment response and qq-p-35 federal specification 2nd treatment response
Style Designator
Err-090
Thread Series Designator
Uns all ends
Furnished Items And Quantity
1 nut and 1 washer and 1 gasket
FSC
4820 Nonpowered Valves
NIIN
014304136
NSN
4820014304136

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SM-A-823884
Cage Code:
80063
Status:
A
MSDS:
Part Number:
790-RPV-1.0-3.0
Cage Code:
98021
Status:
A
MSDS:
Part Number:
SM-A-823884-1
Cage Code:
80063
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 4820-01-430-4136
What are the manufacturers of nsn 4820014304136?
Does this nsn 4820014304136 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014304136
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 4820014304136 contain any precious metals?
No precious metal content.
Does nsn 4820014304136 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014304136?
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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