NSN 4820-01-256-0644

Part Details | VALVE SEAT

4820-01-256-0644 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: HL19354 PIECE 243.2, HL19354 PIECE 243.2, HL19354, SET 148, SET 148, 4820-01-256-0644, 01-256-0644, 4820012560644, 012560644

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAY 31, 198701-256-064422113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-01-256-0644
Part Number Cage Code Manufacturer
HL19354 PIECE 243.293232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
HL19354 PIECE 243.20UBG9CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
HL1935493232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
SET 1480AT62DRESSER-RAND COMPANYDBA RECIPROCATING PRODUCTS DIV
SET 14893236DRESSER-RAND COWORTHINGTON COMPRESSOR OPN
Technical Data | NSN 4820-01-256-0644
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.127 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.663 INCHES NOMINAL
BODY INSIDE DIAMETER0.235 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT