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Safety Relief Valve NSN 4820-01-497-7012

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 4820-01-497-7012 NSN: 4820-01-497-7012

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Features and Characteristics

Pipe Size Accommodated
0.500 inches all ends
Flow Control Device
Disk
End Application
Nimitz class cvn
Valve Operation Method
Automatic
Special Features
Flanged, spring range is 11-30
Material
Stainless steel stem
Media For Which Designed
Liquid single response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
014977012
NSN
4820014977012

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9687G91SS
Cage Code:
15187
Status:
A
MSDS:
Part Number:
9687 ASSY 9687G91SS
Cage Code:
15187
Status:
A
MSDS:
Part Number:
9687
Cage Code:
15187
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 4820-01-497-7012
What are the manufacturers of nsn 4820014977012?
Does this nsn 4820014977012 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014977012
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 4820014977012 contain any precious metals?
No precious metal content.
Does nsn 4820014977012 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014977012?
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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