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Valve Seat NSN 4820-00-456-8575

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 4820-00-456-8575 NSN: 4820-00-456-8575

Features and Characteristics

Body Outside Diameter
Between 0.264 inches and 0.269 inches
Flange Seat To Disk End Height
0.190 inches
Under Flange Height
Between 0.107 inches and 0.113 inches
Seat Angle In Deg
Between 29.500 and 30.500
Seating Surface Shape
Angular
Material
Steel comp 303
Material Specification
Mil-s-7720 military specification single material response
Style Designator
Plain flanged
FSC
4820 Nonpowered Valves
NIIN
004568575
NSN
4820004568575

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
311903-3
Cage Code:
59364
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 4820-00-456-8575
What are the manufacturers of nsn 4820004568575?
Does this nsn 4820004568575 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004568575
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 4820004568575 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004568575 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004568575?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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