NSN 4820-01-550-3803
Part Details | VALVE SEAT
4820-01-550-3803 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: 755047826438208610, 7550478-264382086-10, 738385826438208610, 7383858-264382086-10, 264382086 ITEM 10, 2643-820-86 ITEM 10, 2640801X1 ITEM 20, 2640-801X1 ITEM 20, H547000126438208610, H547-0001-264382086-10, G547000226438208610, G547-0002-264382086-10, 8457284928 ITEM 10CP, 845-7284928 ITEM 10CP, 755047826438208610CP, 7550478-264382086-10CP, 738385826438208610CP, 7383858-264382086-10CP, 264382086 ITEM 10CP, 2643-820-86 ITEM 10CP, 2640801X1 ITEM 20CP, 2640-801X1 ITEM 20CP, H547000126438208610CP, H547-0001-264382086-10CP, G547000226438208610CP, G547-0002-264382086-10CP, 8457284928 ITEM 10, 845-7284928 ITEM 10, 4820-01-550-3803, 01-550-3803, 4820015503803, 015503803
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | APR 18, 2007 | 01-550-3803 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-550-3803
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7550478-264382086-10 | 96169 | ELECTRIC BOAT CORPORATION |
| 7383858-264382086-10 | 96169 | ELECTRIC BOAT CORPORATION |
| 2643-820-86 ITEM 10 | 96169 | ELECTRIC BOAT CORPORATION |
| 2640-801X1 ITEM 20 | 96169 | ELECTRIC BOAT CORPORATION |
| H547-0001-264382086-10 | 96169 | ELECTRIC BOAT CORPORATION |
| G547-0002-264382086-10 | 96169 | ELECTRIC BOAT CORPORATION |
| 845-7284928 ITEM 10CP | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 7550478-264382086-10CP | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 7383858-264382086-10CP | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 2643-820-86 ITEM 10CP | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 2640-801X1 ITEM 20CP | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| H547-0001-264382086-10CP | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| G547-0002-264382086-10CP | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 845-7284928 ITEM 10 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 4820-01-550-3803
| Characteristic | Specifications |
|---|---|
| BODY OUTSIDE DIAMETER | 2.938 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.938 INCHES NOMINAL |
| SPECIAL FEATURES | SEAT BALL MADE OF DELRIN AF MATERIAL; USED ON 2.00 INCH SIZE STRAIGHT BALL VALVE |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| END ITEM IDENTIFICATION | NEW CONSTRUCTION SSN774, SSGN726 |