NSN 4820-00-435-0502
Part Details | VALVE SEAT
4820-00-435-0502 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: 7155378X2PC2, 71553-78X2PC2, 2566603687VHBM6, 256-6603687-VHBM-6, 8035959304X3Q3, 803-5959304-X-3Q3, 8035959304 ITEM3Q3, 803-5959304 ITEM3Q3, 7155378X2PC2Q3, 71553-78X2PC2Q3, 2566603687VHBM6Q3, 256-6603687-VHBM-6Q3, SSN6715152047286PC2Q3, SSN671-515-2047286PC2Q3, 8035959304X03, 803-5959304-X-03, 2566603687VHBM6, 256-6603687-VHBM-6, SSN6715152047286PC2, SSN671-515-2047286PC2, 4820-00-435-0502, 00-435-0502, 4820004350502, 004350502
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 20, 1974 | 00-435-0502 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 4820-00-435-0502
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 71553-78X2PC2 | 96169 | ELECTRIC BOAT CORPORATION |
| 256-6603687-VHBM-6 | 96169 | ELECTRIC BOAT CORPORATION |
| 803-5959304-X-3Q3 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 803-5959304 ITEM3Q3 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 71553-78X2PC2Q3 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 256-6603687-VHBM-6Q3 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| SSN671-515-2047286PC2Q3 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 803-5959304-X-03 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 256-6603687-VHBM-6 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| SSN671-515-2047286PC2 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-00-435-0502
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OVERALL HEIGHT | 1.750 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 18.948 INCHES MINIMUM AND 18.958 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 14.809 INCHES MINIMUM AND 14.817 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 30.000 NOMINAL |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |