NSN 4820-01-128-4595

Part Details | VALVE SEAT

4820-01-128-4595 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: 1D221451, 1D22145-1, 10124591, 4820-01-128-4595, 01-128-4595, 4820011284595, 011284595

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAR 21, 198201-128-459522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-128-4595
Part Number Cage Code Manufacturer
1D22145-118355BOEING COMPANY, THEDBA BOEING
10124591A486GNIMIKKEISTOKESKUS NCB FINLAND
Technical Data | NSN 4820-01-128-4595
Characteristic Specifications
STYLE DESIGNATOR0A THREADED FLANGED
FLANGE DIAMETER0.673 INCHES NOMINAL
OVERALL HEIGHT1.940 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.390 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.625 INCHES NOMINAL
UNDER FLANGE HEIGHT1.315 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
SEAL ACCOMMODATION TYPE GROOVED