NSN 4820-00-040-0429 8344652, 00-040-0429, 000400429
Product Details | VALVE SEAT
4820-00-040-0429 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: 8344652, 4820-00-040-0429, 00-040-0429, 4820000400429, 000400429
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-040-0429 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-040-0429
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Technical Data | NSN 4820-00-040-0429
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B10 PLAIN FLANGED |
| FLANGE DIAMETER | 0.621 INCHES MINIMUM AND 0.623 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 0.621 INCHES MINIMUM AND 0.623 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.313 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.094 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.218 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
Restrictions/Controls & Freight Information | NSN 4820-00-040-0429
| 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 |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||