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Safety Relief Valve NSN 4820-00-288-6939

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 4820-00-288-6939 NSN: 4820-00-288-6939

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Features and Characteristics

Disk Loading Method
Spring
Bolt Hole Quantity
12 1st end
Maximum Operating Temp
425.0 degrees fahrenheit single response
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Adjustable Pressure Range
+4.5/+5.5 pounds per square inch
Maximum Operating Pressure
100.0 pounds per square inch single response
Outside Diameter
10.125 inches 1st end
Bolt Hole Diameter
0.688 inches 1st end
Bolt Circle Diameter
8.875 inches 1st end
Flange Face Design
Plain 1st end
Special Features
W/lifting lever
Material
Nickel alloy stem
Media For Which Designed
Steam single response
Style Designator
Angle
FSC
4820 Nonpowered Valves
NIIN
002886939
NSN
4820002886939

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
54604S5001-83769H45ATN65011
Cage Code:
53711
Status:
A
MSDS:
Part Number:
CA148S6100-537815PC434
Cage Code:
53711
Status:
A
MSDS:
Part Number:
2801FPC1T018
Cage Code:
79500
Status:
A
MSDS:
Part Number:
40J559PC434
Cage Code:
79500
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 4820-00-288-6939
What are the manufacturers of nsn 4820002886939?
Does this nsn 4820002886939 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002886939
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 4820002886939 contain any precious metals?
No precious metal content.
Does nsn 4820002886939 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002886939?
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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