NSN 4820-01-081-2628 17BV270, 237995, 01-081-2628
Product Details | VALVE SEAT
4820-01-081-2628 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: 17BV270, 237995, 4820-01-081-2628, 01-081-2628, 4820010812628, 010812628
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 10 AUG 1979 | 01-081-2628 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-01-081-2628
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Technical Data | NSN 4820-01-081-2628
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B7 PLAIN FLANGED |
| FLANGE DIAMETER | 1.170 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.834 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.584 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.030 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.020 INCHES NOMINAL |
| MATERIAL | COPPER ALLOY OVERALL |
| HARDNESS RATING | 30.0 ROCKWELL C NOMINAL OVERALL |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.031 INCHES NOMINAL |
| SPECIAL FEATURES | FOUR SLOTS LOCATED 0.188 IN. BETWEEN CENTERS |
Restrictions/Controls & Freight Information | NSN 4820-01-081-2628
| 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 | ||