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Safety Relief Valve NSN 4820-00-288-6938

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 4820-00-288-6938 NSN: 4820-00-288-6938

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Features and Characteristics

Flow Control Device
Poppet
Disk Loading Method
Spring
Bolt Hole Quantity
8 1st end
Maximum Operating Temp
425.0 degrees fahrenheit single response
Valve Operation Method
Manual
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Maximum Operating Pressure
150.0 pounds per square inch single response
Opening Pressure Setting
3.0 pounds per square inch
Outside Diameter
11.000 inches 1st end
Thickness
1.000 inches 1st end
Bolt Hole Diameter
0.875 inches 1st end
Bolt Circle Diameter
9.500 inches 1st end
Flange Face Design
Plain 1st end
Special Features
W/lifting lever
Material
Copper alloy body
Media For Which Designed
Steam single response
Style Designator
Angle
FSC
4820 Nonpowered Valves
NIIN
002886938
NSN
4820002886938

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
14932-01
Cage Code:
04537
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 4820-00-288-6938
What are the manufacturers of nsn 4820002886938?
Does this nsn 4820002886938 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002886938
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 4820002886938 contain any precious metals?
No precious metal content.
Does nsn 4820002886938 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002886938?
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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