NSN 4820-00-987-7982

Part Details | VALVE SEAT

4820-00-987-7982 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: 2640276X31PC7, 2640-276X31PC7, 2640276X317, 2640-276X31-7, 4820-00-987-7982, 00-987-7982, 4820009877982, 009877982

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196200-987-798222113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-987-7982
Part Number Cage Code Manufacturer
2640-276X31PC796169ELECTRIC BOAT CORPORATION
2640-276X31-796169ELECTRIC BOAT CORPORATION
Technical Data | NSN 4820-00-987-7982
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.285 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.440 INCHES NOMINAL
BODY INSIDE DIAMETER0.812 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.375 INCHES NOMINAL