NSN 4820-01-259-0505
Part Details | VALVE SEAT
4820-01-259-0505 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: 2632903X1PC12,0.500IN, 2632-903X1PC12,0.500IN, 2620902X6PC4,0.500IN, 2620-902X6PC4,0.500IN, 8452445100PC12,0.500IN, 845-2445100PC12,0.500IN, 8452445100 PC. 12, 845-2445100 PC. 12, 4820-01-259-0505, 01-259-0505, 4820012590505, 012590505
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUL 11, 1987 | 01-259-0505 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-259-0505
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2632-903X1PC12,0.500IN | 96169 | ELECTRIC BOAT CORPORATION |
| 2620-902X6PC4,0.500IN | 96169 | ELECTRIC BOAT CORPORATION |
| 845-2445100PC12,0.500IN | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 845-2445100 PC. 12 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-259-0505
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 0.932 INCHES MINIMUM AND 0.942 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.511 INCHES MINIMUM AND 0.521 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.117 INCHES MINIMUM AND 0.127 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.311 INCHES MINIMUM AND 0.321 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| SEAL ACCOMMODATION TYPE | GROOVED |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |