Valve Seat

Model / MPN: A11221 | NSN: 4810-00-633-3804

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

4810-00-633-3804

Sold in multiples of

1 EA

DEMIL

Thread Class

2a single threaded portion

Thread Length

0.125 inches single threaded portion

Flange Diameter

Between 0.275 inches and 0.278 inches

Body Inside Diameter

0.060 inches

Flange Seat To Disk End Height

0.049 mils and 0.057 centimeters

Under Flange Height

0.211 inches

Thread Size

0.562 inches single threaded portion

Seating Surface Shape

Flat

Material

Copper alloy

Material Specification

Qq-b-626, alloy 72 federal specification single material response

Surface Treatment

Nickel

Surface Treatment Specification

Qq-n-290 federal specification single treatment response

Style Designator

Faucet

Thread Series Designator

Unf single threaded portion

A1122 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE7M117T7164	Seat, Valve	2	EA	02/02/2017
SPE7MC17TD312	Seat, Valve	1	EA	03/20/2017
SPE7MC17TH434	Seat, Valve	1	EA	05/01/2017
SPE7M917T7069	Seat, Valve	14	EA	08/14/2017
SPE7M318T4373	Seat, Valve	14	EA	03/02/2018
SPE7M120T7187	Seat, Valve	45	EA	12/23/2019
SPE7M120T043T	Seat, Valve	15	EA	02/10/2020

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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A11221 Cross Reference

11221
11221