NSN 4820-00-250-4764
Part Details | VALVE SEAT
4820-00-250-4764 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: 2640674X1PC11, 2640-674X1PC11, SS8452180761PC11CP, SS845-2180761PC11CP, 2640674X1PC11CP, 2640-674X1PC11CP, SS8452180761PC11, SS845-2180761PC11, 4820-00-250-4764, 00-250-4764, 4820002504764, 002504764
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | NOV 19, 1969 | 00-250-4764 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-250-4764
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2640-674X1PC11 | 96169 | ELECTRIC BOAT CORPORATION |
| SS845-2180761PC11CP | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 2640-674X1PC11CP | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| SS845-2180761PC11 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-00-250-4764
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 1 THREADED FLANGED |
| OVERALL HEIGHT | 0.250 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.059 INCHES MINIMUM |
| BODY INSIDE DIAMETER | 0.5625 INCHES NOMINAL |
| SEATING SURFACE SHAPE | O-RING |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANED IN ACCORDANCE WITH MIL-P-52211 |
| CRITICALITY CODE JUSTIFICATION | ZZZY |