Valve Seat

Model / MPN: 803438453611B13 | NSN: 4820-01-268-3278

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

4820-01-268-3278

Sold in multiples of

1 EA

DEMIL

Thread Class

3a single threaded portion

Body Inside Diameter

0.844 inches

Flange Seat To Disk End Height

0.234 inches

Under Flange Height

0.110 inches

Thready Qty Per Inch (tpi)

20 single threaded portion

Thread Size

1.188 inches single threaded portion

Seating Surface Shape

Flat

Material

Nickel alloy

Material Specification

Qq-n-288 military specification single material response

Thread Series Designator

Un single threaded portion

803438453611B Series Parts

Pricing and Availability

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803438453611B13 Cross Reference

803-4384536-45A-13
803-4384536-45A-13