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Safety Relief Valve NSN 4820-01-283-5914

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 4820-01-283-5914 NSN: 4820-01-283-5914

Features and Characteristics

Flow Control Device
Piston
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
0.750 inches
Adjustable Pressure Range
+25.0/+175.0 pounds per square inch
Outside Diameter
4.125 inches all ends
Face To Face Distance
7.500 inches
Thickness
0.625 inches all ends
Bolt Hole Diameter
0.562 inches all ends
Bolt Circle Diameter
3.125 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.250 inches all ends
Raised Face Diameter
1.687 inches all ends
Material
Steel body
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
012835914
NSN
4820012835914

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAP893 CDS1
Cage Code:
70667
Status:
A
MSDS:
Part Number:
NAP893 25T175PSI
Cage Code:
70667
Status:
A
MSDS:
Part Number:
NAP893-CDS-1 ITEM 6
Cage Code:
70667
Status:
A
MSDS:
Part Number:
NAP893
Cage Code:
70667
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 4820-01-283-5914
What are the manufacturers of nsn 4820012835914?
Does this nsn 4820012835914 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012835914
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 4820012835914 contain any precious metals?
No precious metal content.
Does nsn 4820012835914 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012835914?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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