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NationalStockNumber.INFO

Worldwide distributor of NSN parts and consumables located in the USA.

Valve Seat

Model / MPN: 20027-3 | NSN: 4820-00-036-2166
ITAR Registered seal

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
4820-00-036-2166
Sold in multiples of
DEMIL
NO
Thread Class
3a single threaded portion
Thread Length
0.250 inches single threaded portion
Flange Diameter
Between 1.092 inches and 1.093 inches
Body Inside Diameter
Between 0.548 inches and 0.719 inches
Flange Seat To Disk End Height
Between 0.155 inches and 0.156 inches
Under Flange Height
0.250 inches
Seat Angle In Deg
60.000
Thread Size
0.906 inches single threaded portion
Seating Surface Shape
Angular
Material
Steel
Material Specification
66, aisi 304/sae 30304 federal standard single material response
Style Designator
Threaded flanged
Thread Series Designator
Unef single threaded portion
20027 Series Parts

Pricing and Availability

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20027-3 Cross Reference