NSN 4820-01-107-7181

Part Details | VALVE SEAT

4820-01-107-7181 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: 5491 PIECE 4, 549-1 PIECE 4, 5491, 549-1, 51163F, 51163-F, 4820-01-107-7181, 01-107-7181, 4820011077181, 011077181

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48FEB 12, 198101-107-718122113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-107-7181
Part Number Cage Code Manufacturer
549-1 PIECE 476364MILWAUKEE VALVE COMPANY, INC.DBA HAMMOND
549-176364MILWAUKEE VALVE COMPANY, INC.DBA HAMMOND
51163-F76364MILWAUKEE VALVE COMPANY, INC.DBA HAMMOND
Technical Data | NSN 4820-01-107-7181
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER1.565 INCHES NOMINAL
BODY INSIDE DIAMETER1.000 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.165 INCHES NOMINAL
UNDER FLANGE HEIGHT0.395 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG30.000 NOMINAL