Valve Seat

Model / MPN: 63821 | NSN: 4820-00-115-2446

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

4820-00-115-2446

Sold in multiples of

1 EA

DEMIL

Thread Class

2a single threaded portion

Thread Length

0.344 inches single threaded portion

Overall Height

2.557 inches

Body Inside Diameter

1.437 inches

Seal Accommodation Type

Grooved

Thready Qty Per Inch (tpi)

20 single threaded portion

Thread Size

2.500 inches single threaded portion

Seating Surface Shape

Flat

Material

Copper alloy

Style Designator

B5 plain threaded

Style Designator

Plain threaded

Thread Series Designator

Un single threaded portion

63821 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE7MC18T151E	Seat, Valve	2	EA	08/27/2018
SPE7MC19T6240	Seat, Valve	2	EA	03/04/2019
SPE7MC19T6768	Seat, Valve	51	EA	03/18/2019

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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63821 Cross Reference

61348