NSN 4820-01-085-7071

Part Details | VALVE SEAT

4820-01-085-7071 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: MC12944, 4820-01-085-7071, 01-085-7071, 4820010857071, 010857071

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 13, 197901-085-707122113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-085-7071
Part Number Cage Code Manufacturer
MC1294476050EATON AEROSPACE LLCM C AEROSPACE DIV
Technical Data | NSN 4820-01-085-7071
Characteristic Specifications
STYLE DESIGNATOR0 THREADED FLANGED
FLANGE DIAMETER0.550 INCHES MINIMUM AND 0.580 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.357 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
BODY INSIDE DIAMETER0.111 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.101 INCHES MINIMUM AND 0.108 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.188 INCHES NOMINAL