NSN 4820-01-469-7578
Part Details | VALVE SEAT
4820-01-469-7578 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: 3964, 1767D19, 1767-D-19, 1767D PC 19, 1767-D PC 19, 1767D, 1767-D, 4820-01-469-7578, 01-469-7578, 4820014697578, 014697578
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | NOV 23, 1999 | 01-469-7578 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-469-7578
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3964 | 75545 | LAWLER MANUFACTURING CO. INC. |
| 1767-D-19 | 75545 | LAWLER MANUFACTURING CO. INC. |
| 1767-D PC 19 | 75545 | LAWLER MANUFACTURING CO. INC. |
| 1767-D | 75545 | LAWLER MANUFACTURING CO. INC. |
Technical Data | NSN 4820-01-469-7578
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 1.500 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.937 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.093 INCHES NOMINAL |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.625 INCHES NOMINAL |
| SPECIAL FEATURES | NHA VALVE TEMP RELEASE |
| SPECIFICATION/STANDARD DATA | 75545-QQ-B639 GOVERNMENT STANDARD |
| END ITEM IDENTIFICATION | W/S NIMITZ CLASS CVN |