NSN 4820-00-525-2359

Part Details | VALVE SEAT

4820-00-525-2359 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: 135746, 135746, 135746, 4820-00-525-2359, 00-525-2359, 4820005252359, 005252359

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-525-235922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-00-525-2359
Part Number Cage Code Manufacturer
13574672599ALLIEDSIGNAL INCDBA ALLIED-SIGNAL AEROSPACE CO
13574670210HONEYWELL INTERNATIONAL INC.DBA HONEYWELL
13574664547HONEYWELL INTERNATIONAL INCDBA HONEYWELL
Technical Data | NSN 4820-00-525-2359
Characteristic Specifications
FLANGE DIAMETER0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.810 INCHES MINIMUM AND 0.830 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.850 INCHES MINIMUM AND 0.900 INCHES MAXIMUM
SEAL ACCOMMODATION TYPE GROOVED
CRITICALITY CODE JUSTIFICATIONZZZV
FSC APPLICATION DATAREGULATOR,AIR PRESSURE,ACFT CABIN