NSN 4820-00-057-6430

Part Details | VALVE SEAT

4820-00-057-6430 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.

Alternate Parts: 18071485, 180714-85, 4820-00-057-6430, 00-057-6430, 4820000576430, 000576430

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 06, 196700-057-643022113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-00-057-6430
Part Number Cage Code Manufacturer
180714-8599657MAROTTA CONTROLS, INC.
Technical Data | NSN 4820-00-057-6430
Characteristic Specifications
FLANGE DIAMETER0.510 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
OVERALL HEIGHT0.250 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
BODY INSIDE DIAMETER0.374 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.025 INCHES NOMINAL