NSN 4820-01-180-6742
Part Details | VALVE SEAT
4820-01-180-6742 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: 20211PC4, B7599.001.127, 4820-01-180-6742, 01-180-6742, 4820011806742, 011806742
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 31, 1984 | 01-180-6742 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-180-6742
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 20211PC4 | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
| B7599.001.127 | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
Technical Data | NSN 4820-01-180-6742
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 1.188 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.500 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.250 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.656 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 60.000 NOMINAL |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |