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Safety Relief Valve NSN 4820-00-350-8729

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 4820-00-350-8729 NSN: 4820-00-350-8729

Features and Characteristics

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Piston
Disk Loading Method
Spring
Valve Discharge Flow Rate
40.0 gallons per minute
Connection Style
Gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Adjustable Pressure Range
+1000.0/+4000.0 pounds per square inch
Maximum Operating Pressure
5000.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Material
Steel seat
Media For Which Designed
Hydraulic fluid, petroleum base single response
Style Designator
Angle
Thread Series Designator
Unjf all ends
FSC
4820 Nonpowered Valves
NIIN
003508729
NSN
4820003508729

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1L24F8T40S831
Cage Code:
8Z296
Status:
A
MSDS:
Part Number:
1L23F8T40S
Cage Code:
8Z296
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 4820-00-350-8729
What are the manufacturers of nsn 4820003508729?
Does this nsn 4820003508729 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003508729
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 4820003508729 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003508729 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003508729?
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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