Valve Seat

Model / MPN: 1JC8956-6 | NSN: 4820-00-594-1998

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

4820-00-594-1998

Sold in multiples of

1 EA

DEMIL

Flange Diameter

Between 3.042 inches and 3.052 inches

Taper Minor Diameter

Between 0.995 inches and 1.005 inches

Taper Major Diameter

1.344 inches

Body Outside Diameter

Between 2.562 inches and 2.563 inches

Body Inside Diameter

1.344 inches

Seat Radius

Between 0.308 inches and 0.318 inches

Flange Seat To Disk End Height

1.245 mils and 1.255 centimeters

Under Flange Height

0.938 inches

Seal Accommodation Type

Grooved

Seating Surface Shape

Radial

Material

Rod, welding, surfacing face

Material

Steel body

Material Specification

Mil-r-17131, type mil-rcocr-a military specification single material response face

Material Specification

Qq-s-763 federal specification single material response body

Style Designator

Plain flanged

1JC8956 Series Parts

Pricing and Availability

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1JC8956-6 Cross Reference

1JC8956-6
1JH4864PC43
1JC8956-6