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Safety Relief Valve NSN 4820-01-181-5599

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 4820-01-181-5599 NSN: 4820-01-181-5599

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Features and Characteristics

Flow Control Device
Disk
Bolt Hole Quantity
4 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
1.000 inches
Adjustable Pressure Range
+121.0/+135.0 pounds per square inch
Maximum Operating Pressure
260.0 pounds per square inch single response
Thickness
0.438 inches all ends
First Connection Face To Centerline Distance
3.500 inches
Bolt Hole Diameter
0.625 inches all ends
Second Connection Face To Centerline Distance
3.250 inches
Bolt Circle Diameter
3.125 inches all ends
Material
Steel body
Media For Which Designed
Water-oil-gas single response
FSC
4820 Nonpowered Valves
NIIN
011815599
NSN
4820011815599

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CAMNN07SEE
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
20326P41M
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20326
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 4820-01-181-5599
What are the manufacturers of nsn 4820011815599?
Does this nsn 4820011815599 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011815599
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 4820011815599 contain any precious metals?
No precious metal content.
Does nsn 4820011815599 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011815599?
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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