NSN 4820-00-068-6564
Part Details | VALVE SEAT
4820-00-068-6564 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: 114H68331, 114H6833-1, 4820-00-068-6564, 00-068-6564, 4820000686564, 000686564
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUL 07, 1967 | 00-068-6564 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-00-068-6564
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 114H6833-1 | 77272 | THE BOEING COMPANYDBA BOEING |
Technical Data | NSN 4820-00-068-6564
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 1.053 INCHES MINIMUM AND 1.054 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 0.865 INCHES MINIMUM AND 0.870 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.625 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.312 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.187 INCHES NOMINAL |
| SEATING SURFACE SHAPE | FLAT |
| SPECIAL FEATURES | FLANGE CENTER-GROOVED 0.141 IN. WIDE BY 0.878 IN. DIA,MAX SURFACE FINISH 125 MICROINCHES AA O/A |