NSN 4820-01-195-0377

Part Details | VALVE SEAT

4820-01-195-0377 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: 255773279, 2557-73-279, 2557073302S, 2557-073-302-S, 23399 ITEM 5, 23399, 4820-01-195-0377, 01-195-0377, 4820011950377, 011950377

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 21, 198401-195-037722113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-195-0377
Part Number Cage Code Manufacturer
2557-73-27957574VELAN VALVE CORPORATION
2557-073-302-S57574VELAN VALVE CORPORATION
23399 ITEM 557574VELAN VALVE CORPORATION
2339957574VELAN VALVE CORPORATION
Technical Data | NSN 4820-01-195-0377
Characteristic Specifications
STYLE DESIGNATOR2 THREADED FLANGED
FLANGE DIAMETER1.844 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.625 INCHES NOMINAL
BODY INSIDE DIAMETER1.505 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.764 INCHES NOMINAL
UNDER FLANGE HEIGHT0.383 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL