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Safety Relief Valve NSN 4820-01-289-3466

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 4820-01-289-3466 NSN: 4820-01-289-3466

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Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Connection Style
Socket (tube) err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal tube all ends
Adjustable Pressure Range
+311.0/+375.0 pounds per square inch
Outside Diameter Tube Accommodated
0.375 inches all ends
Material
Copper alloy stem
Style Designator
Err-090
Supplementary Features
This item has been reviewed for asbestos material. The current approved sources 15187 has indicated their part number contained asbestos prior to 1984. They continue to manufacture the same part number without asbestos material after 1984
FSC
4820 Nonpowered Valves
NIIN
012893466
NSN
4820012893466

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
L2120C AND NMP109 3/8IN 311PSI
Cage Code:
15187
Status:
A
MSDS:
Part Number:
B2068 3/8IN 311T375PSI
Cage Code:
15187
Status:
A
MSDS:
Part Number:
B2068
Cage Code:
01343
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 4820-01-289-3466
What are the manufacturers of nsn 4820012893466?
Does this nsn 4820012893466 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012893466
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 4820012893466 contain any precious metals?
No precious metal content.
Does nsn 4820012893466 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012893466?
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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