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

Valve Seat

Model / MPN: 81136 | NSN: 4820-00-050-7672
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
4820-00-050-7672
Sold in multiples of
1 EA
DEMIL
NO
Flange Diameter
0.328 inches
Body Outside Diameter
Between 0.215 inches and 0.225 inches
Body Inside Diameter
Between 0.154 inches and 0.156 inches
Flange Seat To Disk End Height
Between 0.184 inches and 0.196 inches
Under Flange Height
Between 0.117 inches and 0.127 inches
Hardness Rating
55.0 rockwell c and 62.0 rockwell c
Seating Surface Shape
Flat
Material
Steel
Surface Treatment
Passivate
Style Designator
Plain flanged
Fsc Application Data
Manifold, hydraulic system accessories, acft

Pricing and Availability

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81136 Cross Reference