Valve Seat

Model / MPN: 8059-17 | NSN: 4820-00-725-0989

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

4820-00-725-0989

Sold in multiples of

1 EA

DEMIL

Thread Class

2a single threaded portion

Overall Height

1.688 inches

Body Inside Diameter

Between 1.240 inches and 1.260 inches

Thready Qty Per Inch (tpi)

18 single threaded portion

Thread Size

1.750 inches single threaded portion

Seating Surface Shape

Flat

Material

Steel comp 303

Surface Treatment

Passivate

Style Designator

B5 plain threaded

Style Designator

Plain threaded

Thread Series Designator

Uns single threaded portion

8059 Series Parts

Pricing and Availability

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8059-17 Cross Reference

A7434-001-156
8059-17
A7434-001-156