NSN 4820-01-020-3395

Part Details | VALVE SEAT

4820-01-020-3395 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: 737204, 4820-01-020-3395, 01-020-3395, 4820010203395, 010203395

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48APR 28, 197601-020-339522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-020-3395
Part Number Cage Code Manufacturer
73720410001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 4820-01-020-3395
Characteristic Specifications
STYLE DESIGNATORA THREADED FLANGED
FLANGE SEAT TO DISK END HEIGHT0.344 INCHES NOMINAL
UNDER FLANGE HEIGHT0.562 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SPECIAL FEATURESTESTED IAW MIL-M-19595
CRITICALITY CODE JUSTIFICATIONFEAT