NSN 4820-01-433-4438
Valve Seat Insert
About this product
3.938 inches body inside diameter, 12 single threaded portion thready qty per inch (tpi), flat seating surface shape, material: nickel alloy seat.
Manufacturer part number 1305-034 4IN IT 13 for national stock number 4820014334438.
Datasheet
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Product description
Valve Seat NSN 4820-01-433-4438.
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MPN or Model
1305-034 4IN IT 13
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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.)
1.1 lb -
Thread Class
3a single threaded portion -
Overall Height
0.688 inches -
Body Outside Diameter
Between 4.801 inches and 4.813 inches -
Body Inside Diameter
3.938 inches -
End Application
170 ft patrol coastal (pc-1) class ships -
Thready Qty Per Inch (tpi)
12 single threaded portion -
Thread Size
4.813 inches single threaded portion -
Seating Surface Shape
Flat -
Material
Nickel alloy seat -
Material Specification
Astm b164 assn standard single material response seat or astm a494, grade -30h assn standard single material response seat -
Style Designator
Plain -
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 4820-01-433-4438 valve seatManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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1305-034 4IN IT 13 | Milwaukee Valve Company, Inc. |
803-2177917-04-30 | Naval Ship Systems Command |
1305-016-4IN ITEM 13 | Labinal, Llc |
2177917 | Naval Ship Systems Command |
1305-016-4IN ITEM 13 | Labinal, Llc |
Stock Check
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