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

Valve Seat

Model / MPN: 4620-028 | NSN: 4820-01-182-9222
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
4820-01-182-9222
Sold in multiples of
1 EA
DEMIL
NO
Flange Diameter
0.490 inches
Body Outside Diameter
0.405 inches
Body Inside Diameter
0.170 inches
Flange Seat To Disk End Height
0.030 inches
Under Flange Height
0.070 inches
Seating Surface Shape
Flat
Material
Steel
Material Specification
Ams 5504 assn standard single material response
Style Designator
Plain flanged
4620 Series Parts

Pricing and Availability

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4620-028 Cross Reference