NSN 4820-01-181-8657
Valve Seat Insert
About this product
W/2 std wrench notches on the id.
Manufacturer part number 208-4325303 PIE for national stock number 4820011818657.
Datasheet
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Product description
Valve Seat NSN 4820-01-181-8657.
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MPN or Model
208-4325303 PIE
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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 -
Unit Weight (Est.)
1.7 lb -
Thread Class
2a single threaded portion -
Err Default
0.500 inches single threaded portion -
Overall Height
0.634 inches -
Body Inside Diameter
4.250 inches -
Thready Qty Per Inch (tpi)
12 single threaded portion -
Thread Size
5.375 inches single threaded portion -
Seating Surface Shape
Flat -
Material
Nickel alloy -
Style Designator
B5 plain threaded -
Thread Series Designator
Un 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 4820-01-181-8657 valve seatManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
208-4325303 PIE | Precision Radiation Instruments Inc |
208-4325303 PIECE 9 | Naval Ship Systems Command |
6553-255 | Huntington Ingalls Incorporated |
208-4325303 | Naval Ship Systems Command |
6553-255 PIECE 9 | Huntington Ingalls Incorporated |
Stock Check
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