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Safety Relief Valve NSN 4820-01-285-4557

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 4820-01-285-4557 NSN: 4820-01-285-4557

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Piston
Disk Loading Method
Spring
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Adjustable Pressure Range
+30.0/+100.0 pounds per square inch
Maximum Operating Pressure
1000.0 pounds per square inch single response
Thread Size
0.500 inches all ends
Material
Iron cast body
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
012854557
NSN
4820012854557

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SVJ-3025
Cage Code:
23724
Status:
A
MSDS:
Part Number:
01114-0107-4 ITEM 6-19
Cage Code:
17454
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 4820-01-285-4557
What are the manufacturers of nsn 4820012854557?
Does this nsn 4820012854557 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012854557
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 4820012854557 contain any precious metals?
No precious metal content.
Does nsn 4820012854557 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012854557?
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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