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Safety Relief Valve NSN 4820-01-181-5771

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 4820-01-181-5771 NSN: 4820-01-181-5771

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Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Maximum Operating Temp
180.0 degrees fahrenheit single response
Connection Style
Streamlined with one brazing ring err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal tube all ends
Adjustable Pressure Range
+9.0/+15.0 pounds per square inch
Maximum Operating Pressure
300.0 pounds per square inch single response
Outside Diameter Tube Accommodated
1.000 inches all ends
Material
Rubber flow control device
Media For Which Designed
Water, salt single response
Style Designator
Err-090
Furnished Items And Quantity
2 nut and 2 tailpiece and 1 lever
FSC
4820 Nonpowered Valves
NIIN
011815771
NSN
4820011815771

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1384 1IN 5T15PS
Cage Code:
35795
Status:
A
MSDS:
Part Number:
YB2385E221
Cage Code:
35795
Status:
A
MSDS:
Part Number:
C3256 PL-4117 5-15PSI 1IN
Cage Code:
35795
Status:
A
MSDS:
Part Number:
1384 1IN 9T15PSI PL4143
Cage Code:
35795
Status:
A
MSDS:
Part Number:
1382 PL-4117 5-15PSI 1IN
Cage Code:
35795
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 4820-01-181-5771
What are the manufacturers of nsn 4820011815771?
Does this nsn 4820011815771 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011815771
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 4820011815771 contain any precious metals?
No precious metal content.
Does nsn 4820011815771 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011815771?
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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