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Safety Relief Valve NSN 4820-01-127-5114

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 4820-01-127-5114 NSN: 4820-01-127-5114

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
650.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
0.500 inches
Adjustable Pressure Range
+25.0/+29.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
3.500 inches all ends
Thickness
0.440 inches all ends
First Connection Face To Centerline Distance
3.250 inches
Bolt Hole Diameter
0.620 inches all ends
Second Connection Face To Centerline Distance
3.250 inches
Bolt Circle Diameter
2.380 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
1.190 inches all ends
Material
Steel comp 303 stem
Material Specification
Qq-n-281 federal specification single material response seat
Media For Which Designed
Air 1st response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
011275114
NSN
4820011275114

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8087
Cage Code:
15187
Status:
A
MSDS:
Part Number:
8087E41M
Cage Code:
15187
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 4820-01-127-5114
What are the manufacturers of nsn 4820011275114?
Does this nsn 4820011275114 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011275114
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 4820011275114 contain any precious metals?
No precious metal content.
Does nsn 4820011275114 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011275114?
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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