Part Details | VALVE SEAT
4820-00-026-0456 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: AS144355P30, 144355P30, 144355P30, 4820-00-026-0456, 00-026-0456, 4820000260456, 000260456
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-026-0456 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-00-026-0456
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AS144355P30 | 12776 | AIRCRAFT SUPPLIES |
| 144355P30 | 00198 | PRATT & WHITNEY CANADA CIE DIVPRATT& WHITNEY CANADA CORP. |
| 144355P30 | 77445 | UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS |
Technical Data | NSN 4820-00-026-0456
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 2.850 INCHES MINIMUM AND 2.851 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 2.367 INCHES MINIMUM AND 2.371 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 2.335 INCHES MINIMUM AND 2.345 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.436 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.116 INCHES MINIMUM AND 0.143 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 44.500 MINIMUM AND 45.500 MAXIMUM |
| END ITEM IDENTIFICATION | ACFT ENG R2800 |
| FSC APPLICATION DATA | ACFT ENG R2800 |