NSN 4820-01-186-4720
Valve Seat Insert
About this product
Between 0.344 inches and 0.346 inches body inside diameter, 0.218 inches seat radius, radial seating surface shape, material: copper alloy .
Manufacturer part number 6820556-5 for national stock number 4820011864720.
Datasheet
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Product description
Valve Seat NSN 4820-01-186-4720.
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MPN or Model
6820556-5
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Schedule B
8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi) -
Overall Height
Between 0.170 inches and 0.190 inches -
Body Outside Diameter
Between 0.663 inches and 0.664 inches -
Body Inside Diameter
Between 0.344 inches and 0.346 inches -
Seat Radius
0.218 inches -
Seating Surface Shape
Radial -
Material
Copper alloy -
Material Specification
Ams4640 assn standard single material response -
Style Designator
Plain
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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.
Pricing and Availability
Get a quote for 4820-01-186-4720 valve seatManufacturer Part Numbers and Alternates
| MPN manufacturer part number | Registrant or Supplier |
|---|---|
| 6820556-5 | Rolls-royce Corporation |
| 6820556-5 | Allison Transmission, Inc. |
Stock Check
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