NSN 4820-00-026-0456

Part Details | VALVE SEAT

4820-00-026-0456 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: AS144355P30, 144355P30, 144355P30, 4820-00-026-0456, 00-026-0456, 4820000260456, 000260456

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-026-045622113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

SEAT,VALVE | 4820-00-026-0456, 000260456
Cross Reference | NSN 4820-00-026-0456
Part Number Cage Code Manufacturer
AS144355P3012776AIRCRAFT SUPPLIES
144355P3000198PRATT & WHITNEY CANADA CIE DIVPRATT& WHITNEY CANADA CORP.
144355P3077445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 4820-00-026-0456
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER2.850 INCHES MINIMUM AND 2.851 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.367 INCHES MINIMUM AND 2.371 INCHES MAXIMUM
BODY INSIDE DIAMETER2.335 INCHES MINIMUM AND 2.345 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.436 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.116 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG44.500 MINIMUM AND 45.500 MAXIMUM
END ITEM IDENTIFICATIONACFT ENG R2800
FSC APPLICATION DATAACFT ENG R2800