NSN 4820-00-375-7821
Part Details | VALVE SEAT
4820-00-375-7821 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: 14600227, 146-00227, N637PC10, 234529, 146002271, 146-00227-1, 5643801936858REV1PC10, 564-3801-936858REV1PC10, 5643801936858REV1PC10, 564-3801-936858REV1PC10, 4820-00-375-7821, 00-375-7821, 4820003757821, 003757821
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1961 | 00-375-7821 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-375-7821
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 146-00227 | 26505 | GROVE VALVE OPERATIONS |
| N637PC10 | 26505 | GROVE VALVE OPERATIONS |
| 234529 | 26505 | GROVE VALVE OPERATIONS |
| 146-00227-1 | 26505 | GROVE VALVE OPERATIONS |
| 564-3801-936858REV1PC10 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 564-3801-936858REV1PC10 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-00-375-7821
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 4 THREADED FLANGED |
| FLANGE DIAMETER | 1.500 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.250 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.250 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.547 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.125 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| TAPER MINOR DIAMETER | 1.031 INCHES NOMINAL |
| TAPER MAJOR DIAMETER | 0.250 INCHES NOMINAL |
| TAPER LENGTH | 0.422 INCHES NOMINAL |