NSN 4820-00-351-6426 2A5779, 00-351-6426, 003516426
Product Details | VALVE SEAT
4820-00-351-6426 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: 2A5779, 4820-00-351-6426, 00-351-6426, 4820003516426, 003516426
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1961 | 00-351-6426 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-351-6426
Cross Reference | NSN 4820-00-351-6426
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2A5779 | 11083 | CATERPILLAR INC. DBA CATERPILLAR |
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Technical Data | NSN 4820-00-351-6426
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B1 THREADED FLANGED |
| FLANGE DIAMETER | 0.875 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.125 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.156 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.562 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | FLAT |
| SEAL ACCOMMODATION TYPE | GROOVED |
| THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION |
| NOMINAL THREAD SIZE | 0.312 INCHES SINGLE THREADED PORTION |
| THREAD CLASS | 2A SINGLE THREADED PORTION |
| THREAD LENGTH | 0.312 INCHES NOMINAL SINGLE THREADED PORTION |
| SPECIAL FEATURES | THREADED INTERNAL ON FLANGED END,0.312-24 UNF RH |
Restrictions/Controls & Freight Information | NSN 4820-00-351-6426
| 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 | ||