NSN 4820-01-446-1998
Valve Seat Insert
About this product
Component of 1/2 in.Globe valve.
Manufacturer part number 803-6397434-X21XXX-022 for national stock number 4820014461998.
Datasheet
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Product description
Valve Seat NSN 4820-01-446-1998.
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MPN or Model
803-6397434-X21XXX-022
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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.)
0.1 lb -
Thread Class
3a single threaded portion -
Err Default
0.094 inches single threaded portion -
Flange Diameter
0.930 inches -
Body Inside Diameter
0.471 inches -
End Application
Seawolf class submarine -
Flange Seat To Disk End Height
0.122 inches -
Under Flange Height
0.316 inches -
Seat Angle In Deg
45.000 -
Thready Qty Per Inch (tpi)
24 single threaded portion -
Thread Size
0.766 inches single threaded portion -
Seating Surface Shape
Angular -
Material
Cobalt -
Material Specification
Mil-c-24252 comp 1, cond a military specification all material responses -
Style Designator
Threaded flanged -
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 4820-01-446-1998 valve seatManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
803-6397434-X21XXX-022 | Naval Sea Systems Command |
6397434 | Naval Sea Systems Command |
Stock Check
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