NSN 4820-00-394-7427
Part Details | VALVE SEAT
4820-00-394-7427 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: P639A, P-639A, 4820-00-394-7427, 00-394-7427, 4820003947427, 003947427
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 01, 1963 | 00-394-7427 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED

Cross Reference | NSN 4820-00-394-7427
Part Number | Cage Code | Manufacturer |
---|---|---|
P-639A | 70667 | ATLAS VALVE CO |
Technical Data | NSN 4820-00-394-7427
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | A THREADED FLANGED |
FLANGE DIAMETER | 5.125 INCHES NOMINAL |
FLANGE SEAT TO DISK END HEIGHT | 0.250 INCHES NOMINAL |
UNDER FLANGE HEIGHT | 0.562 INCHES NOMINAL |
SEATING SURFACE SHAPE | FLAT |