NSN 4820-00-878-0471

Part Details | VALVE SEAT

4820-00-878-0471 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: 2640695X1 PIEC, 2640-695X1 PIEC, N0506, N050-6, 2009523, 20-09523, 4820-00-878-0471, 00-878-0471, 4820008780471, 008780471

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196000-878-047122113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-878-0471
Part Number Cage Code Manufacturer
2640-695X1 PIEC96169ELECTRIC BOAT CORPORATION
N050-617062P J VALVES INC
20-0952353154PORTLAND VALVE LLC
Technical Data | NSN 4820-00-878-0471
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.312 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.746 INCHES NOMINAL
BODY INSIDE DIAMETER0.812 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
SEAL ACCOMMODATION TYPE GROOVED