NSN 4820-00-866-6876 2481050, 2484154, 00-866-6876
Product Details | VALVE SEAT
4820-00-866-6876 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: 2481050, 2484154, 4820-00-866-6876, 00-866-6876, 4820008666876, 008666876
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 27 OCT 1967 | 00-866-6876 | 22113 ( SEAT, VALVE ) |
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Technical Data | NSN 4820-00-866-6876
| Characteristic | Specifications |
|---|---|
| FLANGE DIAMETER | 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 0.917 INCHES MINIMUM AND 0.922 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5610 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| HARDNESS RATING | 36.0 ROCKWELL C NOMINAL OVERALL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 14.000 MINIMUM AND 16.000 MAXIMUM |
| SPECIAL FEATURES | 3 SLOTS EQUALLY SPACED IN FLANGEDEND,CENTER HOLE ON FLANGED END 0.139 IN. MIN,0.142 IN. MAX DIA,0.075 IN. MIN,0.085 IN. MAX DEEP |
| MANUFACTURERS CODE | 99551 |
| DESIGN CONTROL REFERENCE | 2484154 |
Restrictions/Controls & Freight Information | NSN 4820-00-866-6876
| 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 | ||