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

Valve Seat

Model / MPN: 19345 | NSN: 4820-00-083-4095
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
4820-00-083-4095
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Flange Diameter
Between 0.347 inches and 0.349 inches
Body Outside Diameter
Between 0.248 inches and 0.250 inches
Body Inside Diameter
Between 0.083 inches and 0.100 inches
Flange Seat To Disk End Height
Between 0.060 inches and 0.070 inches
Under Flange Height
Between 0.179 inches and 0.181 inches
Hardness Rating
25.0 rockwell c and 32.0 rockwell c
Seating Surface Shape
Flat
Material
Steel
Material Specification
Qq-s-764 type 416 federal specification single material response
Surface Treatment
Passivate
Style Designator
Plain flanged
Fsc Application Data
Valve, linear, directional control, hydraulic system, aircraft
19345 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A518T26V0 Seat, Valve 10 EA 09/17/2018

Pricing and Availability

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19345 Cross Reference
  • 19345
  • 19345
  • 19345