Valve Seat

Model / MPN: 28189 | NSN: 4810-00-342-0483

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.

Product Details

NATO Stock Number

4810-00-342-0483

Sold in multiples of

5 EA

DEMIL

Flange Diameter

Between 0.493 inches and 0.497 inches

Body Outside Diameter

Between 0.401 inches and 0.411 inches

Body Inside Diameter

Between 0.312 inches and 0.313 inches

Flange Seat To Disk End Height

Between 0.184 inches and 0.188 inches

Under Flange Height

Between 0.082 inches and 0.096 inches

Seal Accommodation Type

Recessed

Seating Surface Shape

Angular

Material

Steel comp 302 body

Surface Treatment

Passivate

Style Designator

Plain flanged

Fsc Application Data

Aircraft constant speed alternator drive hydraulic oil filter

28189 Series Parts

Pricing and Availability

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28189 Cross Reference

01T135-113