NSN 4820-00-678-2828
Part Details | VALVE SEAT
4820-00-678-2828 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: 906J007PC52, 1JC895614, 1JC8956-14, 906J007PC52, 674J654PC79, 1JH5052PC44, 1JC895614, 1JC8956-14, 906J007PC52, 1JC895614, 1JC8956-14, 4820-00-678-2828, 00-678-2828, 4820006782828, 006782828
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-678-2828 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-678-2828
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 906J007PC52 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA NORTHROP GRUMMAN MARINE SYSTEMS |
| 1JC8956-14 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA NORTHROP GRUMMAN MARINE SYSTEMS |
| 906J007PC52 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| 674J654PC79 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| 1JH5052PC44 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| 1JC8956-14 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| 906J007PC52 | 88657 | WESTINGHOUSE ELECTRIC CORPPOWER GENERATION-TURBINE DIV |
| 1JC8956-14 | 88657 | WESTINGHOUSE ELECTRIC CORPPOWER GENERATION-TURBINE DIV |
Technical Data | NSN 4820-00-678-2828
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 4 THREADED FLANGED |
| FLANGE DIAMETER | 1.480 INCHES MINIMUM AND 1.490 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 1.047 INCHES MINIMUM AND 1.048 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.578 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.501 INCHES NOMINAL |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| TAPER MINOR DIAMETER | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| TAPER MAJOR DIAMETER | 0.578 INCHES NOMINAL |
| SEAL ACCOMMODATION TYPE | GROOVED |