NSN 4820-01-457-9020
Part Details | VALVE SEAT
4820-01-457-9020 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: 803138562308XX68, 803-1385623-08XX-68, 1385623, 4820-01-457-9020, 01-457-9020, 4820014579020, 014579020
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | AUG 06, 1998 | 01-457-9020 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-457-9020
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 803-1385623-08XX-68 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 1385623 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-457-9020
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 9.188 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 7.966 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.343 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.875 INCHES NOMINAL |
| SEATING SURFACE SHAPE | FLAT |
| SPECIAL FEATURES | 4 EA LUGS EQUALLY SPACED; FOR GLOBE Y PATTERN VALVE SZ 8.000 IN. |
| END ITEM IDENTIFICATION | NIMITZ CLASS CVN |