NSN 4820-01-377-3878

Part Details | VALVE SEAT

4820-01-377-3878 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: 801640877517, 801-6408775-17, 6408775, 211054189, 4820-01-377-3878, 01-377-3878, 4820013773878, 013773878

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUL 15, 199301-377-387822113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-377-3878
Part Number Cage Code Manufacturer
801-6408775-1753711NAVAL SEA SYSTEMS COMMAND
640877553711NAVAL SEA SYSTEMS COMMAND
21105418953711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 4820-01-377-3878
Characteristic Specifications
SPECIAL FEATURESFOR 5IN. SWING CHECK TYPE VALVE; 6.720IN. OD X 1.575IN. THK. SEAWATER SERVICE