NSN 4820-00-057-6429

Part Details | VALVE SEAT

4820-00-057-6429 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: 18071481, 180714-81, 1807140081, 180714-0081, 4820-00-057-6429, 00-057-6429, 4820000576429, 000576429

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 06, 196700-057-642922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-057-6429
Part Number Cage Code Manufacturer
180714-8199657MAROTTA CONTROLS, INC.
180714-008199657MAROTTA CONTROLS, INC.
Technical Data | NSN 4820-00-057-6429
Characteristic Specifications
STYLE DESIGNATOR0 THREADED FLANGED
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
FLANGE SEAT TO DISK END HEIGHT0.060 INCHES NOMINAL
UNDER FLANGE HEIGHT0.195 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.025 INCHES NOMINAL