Valve Seat

Model / MPN: 280090 ITEM 15 | NSN: 4820-00-891-3010

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

4820-00-891-3010

Sold in multiples of

1 EA

DEMIL

Flange Diameter

Between 1.044 inches and 1.046 inches

Body Outside Diameter

Between 0.968 inches and 0.969 inches

Body Inside Diameter

Between 0.520 inches and 0.522 inches

Flange Seat To Disk End Height

Between 0.076 inches and 0.077 inches

Under Flange Height

Between 0.047 inches and 0.050 inches

Seat Angle In Deg

Between 44.500 and 45.500

Seating Surface Shape

Angular

Material

Plastic, polyamide, mil-m-20693, comp a, type 1

Style Designator

Plain flanged

28009 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE7MC15TG853	Seat, Valve	25	EA	08/20/2015
SPE7MC17TS363	Seat, Valve	25	EA	08/21/2017
SPE7MC19T161C	Seat, Valve	26	EA	09/03/2019

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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280090 ITEM 15 Cross Reference

166752
166752-0081