NSN 4820-00-343-6041
Valve Seat Insert
About this product
Between 1.998 inches and 2.002 inches body inside diameter, 16 single threaded portion thready qty per inch (tpi), flat seating surface shape, material: copper alloy .
Manufacturer part number 20676 for national stock number 4820003436041.
Datasheet
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Product description
Valve Seat NSN 4820-00-343-6041.
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MPN or Model
20676
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Schedule B
8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi) -
NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves -
Thread Class
2a single threaded portion -
Err Default
0.375 inches single threaded portion -
Overall Height
0.812 inches -
Body Inside Diameter
Between 1.998 inches and 2.002 inches -
Thready Qty Per Inch (tpi)
16 single threaded portion -
Thread Size
2.619 inches single threaded portion -
Seating Surface Shape
Flat -
Material
Copper alloy -
Style Designator
Plain threaded -
Thread Series Designator
Uns single threaded portion
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Valve Seat
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.
![Mechanic Bill explains Valve Seat Insert](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-00-343-6041 valve seatManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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20676 | Robertshaw Controls Company |
Stock Check
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