NSN 4820-01-081-7872

Part Details | VALVE SEAT

4820-01-081-7872 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: MC12548, 4820-01-081-7872, 01-081-7872, 4820010817872, 010817872

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48AUG 19, 197901-081-787222113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-081-7872
Part Number Cage Code Manufacturer
MC1254876050EATON AEROSPACE LLCM C AEROSPACE DIV
Technical Data | NSN 4820-01-081-7872
Characteristic Specifications
STYLE DESIGNATORA PLAIN FLANGED
FLANGE DIAMETER0.630 INCHES MINIMUM AND 0.632 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.530 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.690 INCHES NOMINAL
UNDER FLANGE HEIGHT0.255 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG90.000 NOMINAL
SPECIAL FEATURESTWO HOLES 0.100 IN. DIA THRU