ORDER BY PHONE (619) 331-9599      Contact Us      Request Quote
facebook
NationalStockNumber.org

Safety Relief Valve NSN 4820-00-959-7299

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 4820-00-959-7299 NSN: 4820-00-959-7299

Features and Characteristics

Pipe Size Accommodated
2.000 inches 1st end
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic or manual
Connection Type
Threaded internal pipe all ends
Features Provided
Valve stem lock shield and bonnet packing
Maximum Operating Pressure
160.0 pounds per square inch single response
Thread Size
2.000 inches all ends
Opening Pressure Setting
30.0 pounds per square inch
Special Features
W/diaphragm seal of bonnet cavity
Material
Copper alloy 836 seat
Material Specification
Qq-c-390, alloy b5/d federal specification single material response seat
Media For Which Designed
Water, fresh 2nd response
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
009597299
NSN
4820009597299

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
174A
Cage Code:
79227
Status:
A
MSDS:
Part Number:
174A 2IN30PSI
Cage Code:
79227
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 4820-00-959-7299
What are the manufacturers of nsn 4820009597299?
Does this nsn 4820009597299 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009597299
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 4820009597299 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009597299 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009597299?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
ASA Aviation Suppliers Association Member Logo
NQA AS 9120 Suppliers Logo
ITAR Registered International Traffic in Arms Regulations Logo