Valve Seat

Model / MPN: 16733-2 | NSN: 4820-01-145-0987

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

4820-01-145-0987

Sold in multiples of

1 EA

DEMIL

Thread Class

2a single threaded portion

Flange Diameter

3.885 inches

Taper Length

0.125 inches

Body Inside Diameter

0.500 inches

Seat Radius

45.750 inches

Flange Seat To Disk End Height

1.000 inches

Under Flange Height

0.750 inches

Thready Qty Per Inch (tpi)

12 single threaded portion

Thread Size

4.000 inches single threaded portion

Seating Surface Shape

Radial

Material

Steel

Style Designator

Threaded flanged

Thread Series Designator

Un single threaded portion

16733 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE7MC15TJ238	Seat, Valve	17	EA	09/17/2015
SPE7MC16TF664	Seat, Valve	16	EA	06/30/2016
SPE7MC17T2098	Seat, Valve	11	EA	11/07/2016
SPE7MC18T5508	Seat, Valve	19	EA	02/12/2018
SPE7MC18T250L	Seat, Valve	11	EA	10/09/2018
SPE7MC20T3007	Seat, Valve	6	EA	12/23/2019
SPE7MC21T039M	Seat, Valve	12	EA	04/12/2021

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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16733-2 Cross Reference

A-16733-2
499505760023940