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Safety Relief Valve NSN 4820-00-545-0788

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 4820-00-545-0788 NSN: 4820-00-545-0788

Features and Characteristics

Pipe Size Accommodated
0.250 inches all ends
Thread Direction
Right-hand all ends
Flow Control Device
Piston
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
3.0 gallons per minute
Connection Style
Plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
18 all ends
Adjustable Pressure Range
+150.0/+3000.0 pounds per square inch
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Opening Pressure Setting
1500.0 pounds per square inch
Special Features
W/two mtg holes 0.344 in. Dia. Through body and pressure screw adjustment w/buna-n seals
Material
Aluminum alloy
Media For Which Designed
Oil, hydraulic single response
Style Designator
Angle
Thread Series Designator
Nptf all ends
FSC
4820 Nonpowered Valves
NIIN
005450788
NSN
4820005450788

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1A30-01-V-2P-E-C-150
Cage Code:
8Z296
Status:
A
MSDS:
Part Number:
1A31F2-30S
Cage Code:
8Z296
Status:
A
MSDS:
Part Number:
1A31F2-30SV
Cage Code:
8Z296
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 4820-00-545-0788
What are the manufacturers of nsn 4820005450788?
Does this nsn 4820005450788 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005450788
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 4820005450788 contain any precious metals?
No precious metal content.
Does nsn 4820005450788 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005450788?
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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