NSN 4820-00-450-9551
Valve Seat Insert
About this product
0.563 inches flange diameter, 0.177 inches flange seat to disk end height, 0.233 inches under flange height, seating surface shape: flat.
Manufacturer part number AS-177 for national stock number 4820004509551.
Datasheet
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Product description
Valve Seat NSN 4820-00-450-9551.
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MPN or Model
AS-177
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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
0.191 inches single threaded portion -
Flange Diameter
0.563 inches -
Flange Seat To Disk End Height
0.177 inches -
Under Flange Height
0.233 inches -
Thread Size
0.375 inches single threaded portion -
Seating Surface Shape
Flat -
Body Stepped Inside Diameter
0.310 inches second step -
Material
Copper alloy -
Style Designator
Faucet -
Thread Series Designator
Unc single threaded portion
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 4820-00-450-9551 valve seatManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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AS-177 | Crest/good Manufacturing Co., Inc. |
862-14 | Crest/good Manufacturing Co., Inc. |
862-14 | Paughco Inc |
Stock Check
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