NSN 4820-01-506-1977
Part Details | VALVE SEAT
4820-01-506-1977 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: 803438453635B86, 803-4384536-35B-86, 803438453635B86, 803-4384536-35B-86, 4384536, 4820-01-506-1977, 01-506-1977, 4820015061977, 015061977
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAR 25, 2003 | 01-506-1977 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-506-1977
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 803-4384536-35B-86 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-4384536-35B-86 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 4384536 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-506-1977
| Characteristic | Specifications |
|---|---|
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 15.000 NOMINAL |
| SEAT RADIUS | 0.2656 INCHES NOMINAL |
| TAPER MINOR DIAMETER | 0.4375 INCHES NOMINAL |
| TAPER MAJOR DIAMETER | 0.5313 INCHES NOMINAL |
| END ITEM IDENTIFICATION | 1/2 INCH IN-LINE NEEDLE VALVE |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAME ASSIGNED BY CONTROLLING AGENCY IS SEAT RING (NEEDLE) |