NSN 4820-01-456-2307
Part Details | VALVE SEAT
4820-01-456-2307 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: 3374, 1661D PC17, 1661-D PC17, 1661D PART 1661D17, 1661-D PART 1661-D-17, 4820-01-456-2307, 01-456-2307, 4820014562307, 014562307
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUN 05, 1998 | 01-456-2307 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-456-2307
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3374 | 75545 | LAWLER MANUFACTURING CO. INC. |
| 1661-D PC17 | 75545 | LAWLER MANUFACTURING CO. INC. |
| 1661-D PART 1661-D-17 | 75545 | LAWLER MANUFACTURING CO. INC. |
Technical Data | NSN 4820-01-456-2307
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 1.625 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.125 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.188 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.250 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 30.000 NOMINAL |
| SPECIAL FEATURES | 4 LUGS; TEMPERATURE REGULATING VALVE TYPE S, SZ 1.250 IN.; UPPER SEAT |
| END ITEM IDENTIFICATION | NIMITZ CLASS CVN |