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

Safety Relief Valve NSN 4820-01-249-3755

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 4820-01-249-3755 NSN: 4820-01-249-3755

Features and Characteristics

Pipe Size Accommodated
0.500 inches all ends
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Union
Disk Loading Method
Spring
Renewable Seat Ring Type
Bolted
Maximum Operating Temp
180.0 degrees fahrenheit single response
Connection Style
Socket with brazing ring err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Adjustable Pressure Range
+130.0/+200.0 pounds per square inch
Maximum Operating Pressure
300.0 pounds per square inch single response
Material
Rubber butadiene-acrylonitrile class nbr flow control device
Media For Which Designed
Water, salt single response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
012493755
NSN
4820012493755

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1382 1/2IN 130T200 PSI PL-4120
Cage Code:
35795
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 4820-01-249-3755
What are the manufacturers of nsn 4820012493755?
Does this nsn 4820012493755 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012493755
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 4820012493755 contain any precious metals?
No precious metal content.
Does nsn 4820012493755 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012493755?
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