NSN 4820-00-474-2189 2667, 00-474-2189, 004742189
Product Details | VALVE SEAT
4820-00-474-2189 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: 2667, 4820-00-474-2189, 00-474-2189, 4820004742189, 004742189
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-474-2189 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-474-2189
Cross Reference | NSN 4820-00-474-2189
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2667 | 79318 | MEGGITT (NORTH HOLLYWOOD), INC. |
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Technical Data | NSN 4820-00-474-2189
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B10 PLAIN FLANGED |
| FLANGE DIAMETER | 0.374 INCHES NOMINAL |
| OVERALL HEIGHT | 0.375 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.266 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.203 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.149 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.151 INCHES NOMINAL |
| MATERIAL | STEEL COMP 440C OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| SEAL ACCOMMODATION TYPE | GROOVED |
| III END ITEM IDENTIFICATION | 16503235001 |
| III FSC APPLICATION DATA | ACFT HYD SYSTEM |
| MANUFACTURERS CODE | 79318 |
| DESIGN CONTROL REFERENCE | 2667 |
Restrictions/Controls & Freight Information | NSN 4820-00-474-2189
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| 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 | ||