NSN 4820-01-257-0516

Part Details | VALVE SEAT

4820-01-257-0516 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: A47422MFF, A47422MFFVM, 4820-01-257-0516, 01-257-0516, 4820012570516, 012570516

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 11, 198701-257-051622113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-257-0516
Part Number Cage Code Manufacturer
A47422MFF34889HUNT VALVE COMPANY INCDBA UNION FLONETICS
A47422MFFVM03950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
Technical Data | NSN 4820-01-257-0516
Characteristic Specifications
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION