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Safety Relief Valve NSN 4820-00-893-2107

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 4820-00-893-2107 NSN: 4820-00-893-2107

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Features and Characteristics

Flow Control Device
Poppet
Disk Loading Method
Spring
Bolt Hole Quantity
4 2nd end
Valve Operation Method
Automatic
Flange Shape
Round with holes 2nd end
Connection Type
Flange 1st end
Features Provided
Valve stem lock shield
Criticality Code Justification
Zzzy
Opening Pressure Setting
850.0 pounds per square inch
Outside Diameter
4.875 inches 2nd end
Bolt Hole Diameter
0.750 inches 2nd end
Bolt Circle Diameter
3.500 inches 2nd end
Flange Face Design
Raised straight 2nd end
Material
Nickel alloy flow control device
Style Designator
Err-090
Reference Number Differentiating Characteristics
Selected and tested for nuclear propulsion plant systems
FSC
4820 Nonpowered Valves
NIIN
008932107
NSN
4820008932107

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5330F
Cage Code:
04537
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 4820-00-893-2107
What are the manufacturers of nsn 4820008932107?
Does this nsn 4820008932107 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008932107
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 4820008932107 contain any precious metals?
No precious metal content.
Does nsn 4820008932107 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008932107?
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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