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Safety Relief Valve NSN 4820-01-170-7047

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 4820-01-170-7047 NSN: 4820-01-170-7047

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Threaded
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
1.000 inches
Adjustable Pressure Range
+27.0/+33.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Outside Diameter
4.250 inches all ends
Thickness
0.562 inches all ends
First Connection Face To Centerline Distance
3.625 inches
Bolt Hole Diameter
0.562 inches all ends
Second Connection Face To Centerline Distance
3.625 inches
Bolt Circle Diameter
3.120 inches all ends
Flange Face Design
Plain all ends
Material
Steel comp 303 stem
Material Specification
Qq-n-281 federal specification single material response flow control device
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
011707047
NSN
4820011707047

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
R10AF2F208-BM1 D49254
Cage Code:
34889
Status:
A
MSDS:
Part Number:
D49915
Cage Code:
34889
Status:
A
MSDS:
Part Number:
R10AF2F208 27T33PSI D49915
Cage Code:
34889
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 4820-01-170-7047
What are the manufacturers of nsn 4820011707047?
Does this nsn 4820011707047 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011707047
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 4820011707047 contain any precious metals?
No precious metal content.
Does nsn 4820011707047 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011707047?
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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