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Safety Relief Valve NSN 4820-00-311-9743

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 4820-00-311-9743 NSN: 4820-00-311-9743

Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Ball
Disk Loading Method
Spring
Connection Style
Flared (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 2nd end
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
16 2nd end
Adjustable Pressure Range
+4.0/+6.0 pounds per square inch
Thread Size
0.875 inches 1st end
Seat Angle
37.0 degrees 2nd end
Outside Diameter Tube Accommodated
0.625 inches 1st end
Style Designator
Straight thru
Thread Series Designator
Unf 2nd end
FSC
4820 Nonpowered Valves
NIIN
003119743
NSN
4820003119743

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4035T33P01
Cage Code:
99207
Status:
A
MSDS:
Part Number:
8A914-000
Cage Code:
78493
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 4820-00-311-9743
What are the manufacturers of nsn 4820003119743?
Does this nsn 4820003119743 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003119743
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 4820003119743 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003119743 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003119743?
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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