Valve Seat

Model / MPN: 51150-L | NSN: 4820-01-122-5153

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

4820-01-122-5153

Sold in multiples of

1 EA

DEMIL

Thread Class

2a single threaded portion

Flange Diameter

3.438 inches

Body Inside Diameter

2.938 inches

Flange Seat To Disk End Height

0.125 inches

Under Flange Height

0.562 inches

Thready Qty Per Inch (tpi)

12 single threaded portion

Thread Size

3.688 inches single threaded portion

Seating Surface Shape

Flat

Material

Nickel alloy

Style Designator

Threaded flanged

Thread Series Designator

Un single threaded portion

51150 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE7MC18T9714	Seat, Valve	16	EA	05/21/2018
SPE7MC21T9743	Seat, Valve	16	EA	03/22/2021

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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51150-L Cross Reference

1305 ITEM 7
51150-LP-184
504089-20S
51150-LP-181