Valve Seat

Model / MPN: 663956-1 | NSN: 4810-00-016-1042

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

4810-00-016-1042

Sold in multiples of

1 EA

DEMIL

Flange Diameter

Between 1.242 inches and 1.246 inches

Overall Height

Between 0.803 inches and 0.813 inches

Taper Length

Between 0.220 inches and 0.260 inches

Taper Minor Diameter

Between 0.330 inches and 0.340 inches

Taper Major Diameter

Between 0.489 inches and 0.495 inches

Seal Accommodation Type

Grooved

Hardness Rating

52.0 rockwell b and 56.0 rockwell b

Criticality Code Justification

Test

Material

Stainless steel

Material Specification

Mil-s-7720, comp 303, cond b military specification single material response

Surface Treatment

Nickel

Test Data Document

99193-663956 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

Fsc Application Data

Solenoid valve

663956 Series Parts

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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663956-1 Cross Reference

663956-2
663956-2