NSN 4820-00-662-0398 18511, 00-662-0398, 006620398
Product Details | VALVE SEAT
4820-00-662-0398 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.20248100015Valves, Powered48200018Valves, Nonpowered
Part Alternates: 18511, 4820-00-662-0398, 00-662-0398, 4820006620398, 006620398
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 00-662-0398 | 22113 ( SEAT, VALVE ) |
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Technical Data | NSN 4820-00-662-0398
| Characteristic | Specifications |
|---|---|
| OVERALL HEIGHT | 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 2.139 INCHES MINIMUM AND 2.140 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 1.813 INCHES MINIMUM AND 1.818 INCHES MAXIMUM |
| MATERIAL | COBALT ALLOY BODY STEEL COMP 4140 FACE |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 60.000 NOMINAL |
| SPECIAL FEATURES | HEATED 5 MINUTES AT F1550.0 AND COOLED IN LIME |
| MANUFACTURERS CODE | 70188 |
| DESIGN CONTROL REFERENCE | 18511 |
Restrictions/Controls & Freight Information | NSN 4820-00-662-0398
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||