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Safety Relief Valve NSN 4820-00-245-0862

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 4820-00-245-0862 NSN: 4820-00-245-0862

  Stock Availability

NSN 4820002450862 availability
(as of 04/07/2020).

  • NE: 65
  • NS: 31

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Union
Disk Loading Method
Spring
Valve Discharge Flow Rate
1493.0 pounds per hour
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
4 2nd end
Maximum Operating Temp
775.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes 2nd end
Connection Type
Flange 1st end
Features Provided
Pressure tight outlet side
Valve Size
0.500 inches
Adjustable Pressure Range
+145.0/+206.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Outside Diameter
3.750 inches 1st end
Thickness
0.575 inches 1st end
First Connection Face To Centerline Distance
3.250 inches
Bolt Hole Diameter
0.630 inches 2nd end
Second Connection Face To Centerline Distance
3.500 inches
Bolt Circle Diameter
2.625 inches 1st end
Flange Face Design
Raised straight 2nd end
Raised Face Height
0.245 inches 1st end
Raised Face Diameter
1.375 inches 1st end
Material
Steel seat or steel comp 304 seat
Material Specification
Fed standard 66, aisi 410/sae 51410 federal standard single material response stem
Media For Which Designed
Steam single response
Style Designator
Angle flanged ends
Nondefinitive Specification/std Data
2 type and d composition and 1-2in.Ips size
FSC
4820 Nonpowered Valves
NIIN
002450862
NSN
4820002450862

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MILV20065
Cage Code:
81349
Status:
A
MSDS:
Part Number:
TY2C0MPD1-2 400-145T0206F
Cage Code:
03950
Status:
A
MSDS:
Part Number:
CNCRN08CCC
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
20342B01S0145
Cage Code:
15187
Status:
A
MSDS:
Part Number:
FF2751-1-2INIPS
Cage Code:
01343
Status:
A
MSDS:
Part Number:
CNSRN08SCC
Cage Code:
65079
Status:
A
MSDS:
Part Number:
20342X51FTSS
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 4820-00-245-0862
What are the manufacturers of nsn 4820002450862?
Does this nsn 4820002450862 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002450862
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 4820002450862 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002450862 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002450862?
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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