NSN 4820-00-251-1556
Part Details | VALVE SEAT
4820-00-251-1556 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: 800271, 80027-1, N8211G6YMM1 ITEM 5, N8211G6Y/MM-1 ITEM 5, 800272, 80027-2, 4820-00-251-1556, 00-251-1556, 4820002511556, 002511556
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 05, 1972 | 00-251-1556 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-00-251-1556
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 80027-1 | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES,INC. |
| N8211G6Y/MM-1 ITEM 5 | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES,INC. |
| 80027-2 | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES,INC. |
Technical Data | NSN 4820-00-251-1556
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 0.500 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.468 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.250 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.031 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.688 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 37.000 NOMINAL |
| SPECIAL FEATURES | W/PLASTIC SEAT INSERT |