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Valve Seat NSN 4820-00-923-6852

Item Description

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

NSN 4820-00-923-6852 NSN: 4820-00-923-6852

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Features and Characteristics

Flange Diameter
Between 4.125 inches and 4.126 inches
Taper Minor Diameter
Between 1.708 inches and 1.718 inches
Body Outside Diameter
3.000 inches
Body Inside Diameter
Between 1.708 inches and 1.718 inches
Seat Radius
Between 0.620 inches and 0.630 inches
Flange Seat To Disk End Height
1.625 mils and 1.627 centimeters
Under Flange Height
Between 1.873 inches and 1.875 inches
Seating Surface Shape
Radial
Material
Cobalt alloy face
Material Specification
Mil-r-17131, type mil-rcocr-a military specification single material response face
Style Designator
Plain flanged
FSC
4820 Nonpowered Valves
NIIN
009236852
NSN
4820009236852

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
894B432PC2
Cage Code:
01289
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481909090
  • NAICS: 332911
  • SITC: 74790
  • Description: Parts of taps, cocks, valves and similar appliances, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-923-6852
What are the manufacturers of nsn 4820009236852?
Does this nsn 4820009236852 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009236852
A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. the body may have a flange of various shapes. for diesel and gasoline reciprocating engines, see insert, engine valve seat.
Does nsn 4820009236852 contain any precious metals?
No precious metal content.
Does nsn 4820009236852 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009236852?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
App. Key:
A
Cond. Code:
2
Status:
A

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