Valve Seat

Model / MPN: 311904-19 | NSN: 4810-00-009-0424

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

4810-00-009-0424

Sold in multiples of

1 EA

DEMIL

Flange Diameter

Between 0.374 inches and 0.375 inches

Body Outside Diameter

Between 0.264 inches and 0.269 inches

Body Inside Diameter

Between 0.114 inches and 0.118 inches

Seat Radius

0.0781 inches

Flange Seat To Disk End Height

0.035 mils and 0.040 centimeters

Under Flange Height

Between 0.105 inches and 0.110 inches

Seating Surface Shape

Radial

Material

Steel comp 303

Material Specification

Qq-s-764 type 303 federal specification single material response

Surface Treatment

Passivate

Style Designator

Plain flanged

Fsc Application Data

Valve, temperature, control system

311904 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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311904-19 Cross Reference

311904-19