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Valve Seat NSN 4820-01-143-5403

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 4820-01-143-5403 NSN: 4820-01-143-5403

Features and Characteristics

Flange Diameter
Between 0.797 inches and 0.798 inches
Body Outside Diameter
Between 0.430 inches and 0.435 inches
Body Inside Diameter
Between 0.370 inches and 0.375 inches
Flange Seat To Disk End Height
0.110 mils and 0.120 centimeters
Under Flange Height
Between 0.181 inches and 0.189 inches
Seating Surface Shape
Flat
Material
Steel comp 303
Material Specification
Ams5640 assn standard single material response
Style Designator
Plain flanged
FSC
4820 Nonpowered Valves
NIIN
011435403
NSN
4820011435403

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3025T42P01
Cage Code:
99207
Status:
A
MSDS:
Part Number:
10124642
Cage Code:
A486G
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 4820-01-143-5403
What are the manufacturers of nsn 4820011435403?
Does this nsn 4820011435403 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011435403
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 4820011435403 contain any precious metals?
No precious metal content.
Does nsn 4820011435403 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011435403?
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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