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Safety Relief Valve NSN 4820-01-286-6397

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 4820-01-286-6397 NSN: 4820-01-286-6397

Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
205.0 degrees celsius single response
Connection Style
G63 beaded (hose) 2nd end
Valve Operation Method
Automatic
Connection Type
Unthreaded external hose 2nd end
Thready Qty Per Inch (tpi)
12 1st end
Adjustable Pressure Range
+0.2/+0.5 pounds per square inch
Thread Size
1.062 inches 1st end
Seat Angle
37.0 degrees 1st end
Inside Diameter Hose Accommodated
0.250 inches 2nd end
Material
Steel comp 303 flow control device
Surface Treatment
Anodize
Style Designator
Err-090
Thread Series Designator
Un 1st end
FSC
4820 Nonpowered Valves
NIIN
012866397
NSN
4820012866397

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
L52310
Cage Code:
01178
Status:
A
MSDS:
Part Number:
GV500ABJ12
Cage Code:
26512
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 4820-01-286-6397
What are the manufacturers of nsn 4820012866397?
Does this nsn 4820012866397 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012866397
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 4820012866397 contain any precious metals?
No precious metal content.
Does nsn 4820012866397 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012866397?
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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