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

Safety Relief Valve NSN 4820-01-259-2274

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 4820-01-259-2274 NSN: 4820-01-259-2274

Features and Characteristics

Pipe Size Accommodated
0.250 inches all ends
Flow Control Device
Disk
Maximum Operating Temp
165.0 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
+76.0/+90.0 pounds per square inch
Maximum Operating Pressure
460.0 pounds per square inch 1st response
Special Features
Spring number: 75l
Material
Nickel alloy flow control device
Material Specification
Qq-n-281 federal specification single material response stem
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
012592274
NSN
4820012592274

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
20235L51, CD SHT 16282
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20235
Cage Code:
01343
Status:
A
MSDS:
Part Number:
20235L51M CD SHT 16282
Cage Code:
01343
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 4820-01-259-2274
What are the manufacturers of nsn 4820012592274?
Does this nsn 4820012592274 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012592274
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 4820012592274 contain any precious metals?
No precious metal content.
Does nsn 4820012592274 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012592274?
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