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Safety Relief Valve NSN 4820-01-178-6415

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 4820-01-178-6415 NSN: 4820-01-178-6415

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
250.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
2.000 inches
Maximum Operating Pressure
150.0 pounds per square inch single response
Opening Pressure Setting
125.0 pounds per square inch
Outside Diameter
6.000 inches all ends
Thickness
0.500 inches all ends
First Connection Face To Centerline Distance
6.218 inches
Bolt Hole Diameter
0.750 inches all ends
Second Connection Face To Centerline Distance
6.218 inches
Bolt Circle Diameter
4.750 inches all ends
Flange Face Design
Plain all ends
Material
Stainless steel stem
Material Specification
Qq-n-281 federal specification single material response seat
Media For Which Designed
Water-oil-gas single response
Style Designator
Err-090
Furnished Items And Quantity
1 lever
FSC
4820 Nonpowered Valves
NIIN
011786415
NSN
4820011786415

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
R10AJ2J2AK-BM3 AND D49500
Cage Code:
34889
Status:
A
MSDS:
Part Number:
BAMGG07IHH
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
D50FF-07 2IN.
Cage Code:
65079
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 4820-01-178-6415
What are the manufacturers of nsn 4820011786415?
Does this nsn 4820011786415 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011786415
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 4820011786415 contain any precious metals?
No precious metal content.
Does nsn 4820011786415 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011786415?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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