NSN 4820-01-134-1331

Part Details | VALVE SEAT

4820-01-134-1331 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: 2620902X7 PIECE 20 1IN, 2620-902X7 PIECE 20 1IN, 2620902X7 PIECE 20 1IN, 2620-902X7 PIECE 20 1IN, 4820-01-134-1331, 01-134-1331, 4820011341331, 011341331

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 27, 198201-134-133122113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-134-1331
Part Number Cage Code Manufacturer
2620-902X7 PIECE 20 1IN96169ELECTRIC BOAT CORPORATION
2620-902X7 PIECE 20 1IN63686THE WALWORTH COMPANY
Technical Data | NSN 4820-01-134-1331
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER1.563 INCHES NOMINAL
BODY INSIDE DIAMETER0.750 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.156 INCHES NOMINAL
UNDER FLANGE HEIGHT0.375 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG75.000 NOMINAL