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Safety Relief Valve NSN 4820-00-287-4675

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 4820-00-287-4675 NSN: 4820-00-287-4675

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Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Bonnet Type
Inside screw
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Connection Style
Gasket sea (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 1st end
Mounting Facility
Threaded fastener
Features Provided
Bonnet packing
Thready Qty Per Inch (tpi)
18 1st end
Adjustable Pressure Range
+2300.0/+3850.0 pounds per square inch
Maximum Operating Pressure
3850.0 pounds per square inch single response
Thread Size
0.562 inches 1st end
Opening Pressure Setting
3400.0 pounds per square inch
Media For Which Designed
Hydraulic fluid, petroleum base single response
Surface Treatment
Anodize
Style Designator
Angle w/offset
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
002874675
NSN
4820002874675

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2365274
Cage Code:
18355
Status:
A
MSDS:
Part Number:
AA31306H
Cage Code:
62983
Status:
A
MSDS:
Part Number:
21106
Cage Code:
81982
Status:
A
MSDS:
Part Number:
1030
Cage Code:
94874
Status:
A
MSDS:
Part Number:
AN6279-6CD
Cage Code:
88044
Status:
A
MSDS:
Part Number:
HPLVA0
Cage Code:
00021
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 4820-00-287-4675
What are the manufacturers of nsn 4820002874675?
Does this nsn 4820002874675 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002874675
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 4820002874675 contain any precious metals?
No precious metal content.
Does nsn 4820002874675 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002874675?
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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