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Safety Relief Valve NSN 4820-00-008-6104

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 4820-00-008-6104 NSN: 4820-00-008-6104

Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Maximum Operating Temp
275.0 degrees fahrenheit single response
Minimum Operating Temp
-65.0 degrees fahrenheit
Connection Style
Flared (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Features Provided
Bonnet packing
Thready Qty Per Inch (tpi)
18 1st end
Maximum Operating Pressure
3345.0 pounds per square inch single response
Thread Size
1.125 inches 1st end
Seat Angle
37.0 degrees 1st end
Material
Steel comp 440c seat
Media For Which Designed
Hydraulic fluid, petroleum base single response
Style Designator
Angle
Thread Series Designator
Unef 1st end
FSC
4820 Nonpowered Valves
NIIN
000086104
NSN
4820000086104

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1704
Cage Code:
06177
Status:
A
MSDS:
Part Number:
27460-101
Cage Code:
82106
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 4820-00-008-6104
What are the manufacturers of nsn 4820000086104?
Does this nsn 4820000086104 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000086104
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 4820000086104 contain any precious metals?
No precious metal content.
Does nsn 4820000086104 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000086104?
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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