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Safety Relief Valve NSN 4820-01-621-3255

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 4820-01-621-3255 NSN: 4820-01-621-3255

Features and Characteristics

Valve Discharge Flow Rate
25.0 gallons per minute
Valve Operation Method
Automatic
Connection Type
Threaded cartridge 1st end
Adjustable Pressure Range
+150.0 to 6000.0 pounds per square inch
Maximum Operating Pressure
6000.0 pounds per square inch single response
Opening Pressure Setting
1000.0 pounds per square inch
Part Name Assigned By Controlling Agency
Pilot operated relief valve
Special Features
Next higher assembly hydraulic/electrical unit p/n h101a32355; part number does not indicate control adjustment option. If standard screw adjustment control option is desired see 01-457-7714; viton seals
Material
Steel body
Style Designator
Screw-in cartridge
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
016213255
NSN
4820016213255

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
RPEC-0CV
Cage Code:
54035
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 4820-01-621-3255
What are the manufacturers of nsn 4820016213255?
Does this nsn 4820016213255 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016213255
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 4820016213255 contain any precious metals?
No precious metal content.
Does nsn 4820016213255 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820016213255?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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