NSN 4820-00-311-5020
Part Details | VALVE SEAT
4820-00-311-5020 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: 29046, 4820-00-311-5020, 00-311-5020, 4820003115020, 003115020
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | OCT 31, 1973 | 00-311-5020 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED

Cross Reference | NSN 4820-00-311-5020
Part Number | Cage Code | Manufacturer |
---|---|---|
29046 | 99643 | EATON CORPORATIONDBA EATON AEROSPACE |
Technical Data | NSN 4820-00-311-5020
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | 0 THREADED FLANGED |
FLANGE DIAMETER | 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
BODY OUTSIDE DIAMETER | 0.471 INCHES NOMINAL |
BODY INSIDE DIAMETER | 0.207 INCHES MINIMUM AND 0.217 INCHES MAXIMUM |
FLANGE SEAT TO DISK END HEIGHT | 0.128 INCHES NOMINAL |
UNDER FLANGE HEIGHT | 0.312 INCHES NOMINAL |
SEATING SURFACE SHAPE | FLAT |