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

Safety Relief Valve NSN 4820-00-289-3740

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 4820-00-289-3740 NSN: 4820-00-289-3740

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Features Provided
Pressure tight outlet side
Adjustable Pressure Range
+1.0/+250.0 pounds per square inch
Outside Diameter
7.000 inches all ends
First Connection Face To Centerline Distance
4.812 inches
Bolt Hole Diameter
0.750 inches all ends
Second Connection Face To Centerline Distance
4.437 inches
Bolt Circle Diameter
5.500 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy
Style Designator
Angle flanged ends
FSC
4820 Nonpowered Valves
NIIN
002893740
NSN
4820002893740

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3305899
Cage Code:
55380
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 4820-00-289-3740
What are the manufacturers of nsn 4820002893740?
Does this nsn 4820002893740 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002893740
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 4820002893740 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002893740 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002893740?
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