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Safety Relief Valve NSN 4820-01-502-1447

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 4820-01-502-1447 NSN: 4820-01-502-1447

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
8 all ends
Maximum Operating Temp
425.0 degrees fahrenheit single response
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Facility
Bracket
Valve Size
4.000 inches
Adjustable Pressure Range
+71.0/+100.0 pounds per square inch
Maximum Operating Pressure
100.0 pounds per square inch single response
Opening Pressure Setting
71.0 pounds per square inch
Outside Diameter
7.6875 inches all ends
Thickness
0.500 inches all ends
First Connection Face To Centerline Distance
7.000 inches
Bolt Hole Diameter
0.5625 inches all ends
Second Connection Face To Centerline Distance
6.000 inches
Bolt Circle Diameter
6.5625 inches all ends
Flange Face Design
Plain all ends
Part Name Assigned By Controlling Agency
4 x 4 modle l-2210-c relief valve
Material
Nickel alloy flow control device
Material Specification
Qq-n-288 assn standard single material response flow control device
Media For Which Designed
Water, salt single response
Style Designator
Err-090
Specification Data
81349-mil-v-20065 type a-1 class c government specification
FSC
4820 Nonpowered Valves
NIIN
015021447
NSN
4820015021447

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
L2210CNMP612REVC4IN71T100PSI
Cage Code:
01343
Status:
A
MSDS:
Part Number:
NMP-612
Cage Code:
01343
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 4820-01-502-1447
What are the manufacturers of nsn 4820015021447?
Does this nsn 4820015021447 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015021447
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 4820015021447 contain any precious metals?
No precious metal content.
Does nsn 4820015021447 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015021447?
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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