Valve Seat

Model / MPN: 1261A100 | NSN: 4820-00-571-3734

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

4820-00-571-3734

Sold in multiples of

1 EA

DEMIL

Flange Diameter

Between 5.775 inches and 5.776 inches

Body Outside Diameter

4.560 inches

Body Inside Diameter

3.438 inches

Seat Radius

0.180 inches

Flange Seat To Disk End Height

1.060 inches

Under Flange Height

1.320 inches

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

Mil-s-18410, class a military specification single material response body

Style Designator

Plain flanged

1261A 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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1261A100 Cross Reference

894B361P3
894B361PC3
1261A100