Valve Seat

Model / MPN: 84551 | NSN: 4820-00-036-1909

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

4820-00-036-1909

Sold in multiples of

1 EA

DEMIL

Thread Class

2a first threaded portion

Thread Class

2a second threaded portion

Thread Length

0.500 inches second threaded portion

Thread Length

0.812 inches first threaded portion

Overall Height

2.950 inches

Body Inside Diameter

1.802 inches

Seat Angle In Deg

30.000

Thready Qty Per Inch (tpi)

16 first threaded portion

Thready Qty Per Inch (tpi)

18 second threaded portion

Thread Size

2.625 inches first threaded portion

Thread Size

2.812 inches second threaded portion

Seating Surface Shape

Angular

Material

Steel

Style Designator

Double flanged

Thread Series Designator

Un first threaded portion

Thread Series Designator

Uns second threaded portion

84551 Series Parts

Pricing and Availability

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84551 Cross Reference

84551