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Safety Relief Valve NSN 4820-01-506-8909

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 4820-01-506-8909 NSN: 4820-01-506-8909

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Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
6 2nd end
Maximum Operating Temp
150.0 degrees fahrenheit single response
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes 2nd end
Connection Type
Flange 1st end
Valve Size
2.500 inches
Adjustable Pressure Range
+112.0/+128.0 pounds per square inch
Maximum Operating Pressure
500.0 pounds per square inch single response
Outside Diameter
6.125 inches 2nd end
Thickness
0.937 inches 2nd end
First Connection Face To Centerline Distance
5.500 inches
Bolt Hole Diameter
0.687 inches 2nd end
Second Connection Face To Centerline Distance
5.000 inches
Bolt Circle Diameter
5.000 inches 2nd end
Flange Face Design
Plain 2nd end
Material
Nickel alloy flow control device
Material Specification
Qq-n-288 comp a federal specification single material response seat
Style Designator
Err-090
Specification Data
81349 - mil-v-24332 government specification
FSC
4820 Nonpowered Valves
NIIN
015068909
NSN
4820015068909

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
11-NS-0866
Cage Code:
96169
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 4820-01-506-8909
What are the manufacturers of nsn 4820015068909?
Does this nsn 4820015068909 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015068909
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 4820015068909 contain any precious metals?
No precious metal content.
Does nsn 4820015068909 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015068909?
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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