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Valve Seat NSN 4820-01-203-4789

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 4820-01-203-4789 NSN: 4820-01-203-4789

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Features and Characteristics

Overall Height
Between 0.655 inches and 0.658 inches
Body Outside Diameter
Between 1.310 inches and 1.313 inches
Body Inside Diameter
0.960 inches
Seating Surface Shape
Flat
Material
Steel
Style Designator
Plain
FSC
4820 Nonpowered Valves
NIIN
012034789
NSN
4820012034789

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2620-920X3 PIECE 4
Cage Code:
81982
Status:
A
MSDS:
Part Number:
845-1889552 PIECE 4
Cage Code:
80064
Status:
A
MSDS:
Part Number:
2620-920X3
Cage Code:
96169
Status:
A
MSDS:
Part Number:
845-1889552
Cage Code:
80064
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 4820-01-203-4789
What are the manufacturers of nsn 4820012034789?
Does this nsn 4820012034789 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012034789
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 4820012034789 contain any precious metals?
No precious metal content.
Does nsn 4820012034789 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012034789?
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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