NSN 4820-01-049-1382
Valve Seat Insert
About this product
2.687 inches flange diameter, 1.627 inches body inside diameter, 0.216 inches flange seat to disk end height, under flange height: 0.627 inches .
Manufacturer part number 803-2177934-X8XX-18 for national stock number 4820010491382.
Datasheet
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Product description
Valve Seat NSN 4820-01-049-1382.
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MPN or Model
803-2177934-X8XX-18
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Schedule B
8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi) -
NMF (National Motor Freight)
050859 - Cocks R Valves Etc Chrome/nickel -
Unit Weight (Est.)
3.5 lb -
Thread Class
3a single threaded portion -
Err Default
0.502 inches single threaded portion -
Flange Diameter
2.687 inches -
Body Inside Diameter
1.627 inches -
Flange Seat To Disk End Height
0.216 inches -
Under Flange Height
0.627 inches -
Seat Angle In Deg
45.000 -
Thready Qty Per Inch (tpi)
18 single threaded portion -
Thread Size
2.515 inches single threaded portion -
Seating Surface Shape
Angular -
Material
Nickel alloy a -
Material Specification
Qq-n-288 federal specification single material response -
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 4820-01-049-1382 valve seatManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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803-2177934-X8XX-18 | Naval Ship Systems Command |
803-2177934-REV.C-8XX-18 | Naval Sea Systems Command |
Stock Check
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