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Safety Relief Valve NSN 4820-01-556-8005

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 4820-01-556-8005 NSN: 4820-01-556-8005

Features and Characteristics

Pipe Size Accommodated
0.750 inches all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Valve Discharge Flow Rate
172.8 cubic feet per minute
Renewable Seat Ring Type
Retaining screw
Maximum Operating Temp
425.0 degrees fahrenheit single response
End Application
Overhaul/availability cvn70
Connection Style
Socket all ends
Valve Operation Method
Automatic or manual
Connection Type
Unthreaded internal pipe all ends
Adjustable Pressure Range
+23.0 to 45.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Special Features
Valve provided with gagging device, bonnet plug, adjusting ring pin; disc insert material polytetrafluoroethylene; o-ring material viton
Material
Stainless steel
Media For Which Designed
Air single response
Style Designator
C1 angle
Furnished Items And Quantity
1 lever and 2 tailpiece and 2 nut
Specification Data
Mil-v-22549d government specification
FSC
4820 Nonpowered Valves
NIIN
015568005
NSN
4820015568005

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
DN3400-SW ASSY NDSXX04SDD
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
NDSXX04SDD
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
MIL-V-22549D
Cage Code:
81349
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 4820-01-556-8005
What are the manufacturers of nsn 4820015568005?
Does this nsn 4820015568005 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015568005
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 4820015568005 contain any precious metals?
No precious metal content.
Does nsn 4820015568005 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015568005?
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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