NSN 4820-00-591-8550
Part Details | VALVE SEAT
4820-00-591-8550 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: LB91181, LB91181, LB91181, 4820-00-591-8550, 00-591-8550, 4820005918550, 005918550
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1961 | 00-591-8550 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-591-8550
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| LB91181 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION |
| LB91181 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES,INC. |
| LB91181 | 93235 | TURBODYNEDIV OF DRESSER INDUSTRIES INC |
Technical Data | NSN 4820-00-591-8550
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 4 THREADED FLANGED |
| FLANGE DIAMETER | 2.005 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.500 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.865 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.875 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.635 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| TAPER MINOR DIAMETER | 0.625 INCHES NOMINAL |
| TAPER MAJOR DIAMETER | 0.865 INCHES NOMINAL |
| TAPER LENGTH | 1.400 INCHES NOMINAL |