NSN 4820-01-322-4987 52390, 52-3-90, 01-322-4987
Product Details | VALVE SEAT
4820-01-322-4987 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: 52390, 52-3-90, 4820-01-322-4987, 01-322-4987, 4820013224987, 013224987
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 08-JUL-90 | 01-322-4987 | 22113 ( SEAT, VALVE ) |
Demand History | NSN 4820-01-322-4987
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4820-01-322-4987 | 2012-10-302 | 1 | DIBBS |
| 4820-01-322-4987 | 2012-04-93 | 1 | DIBBS |
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Technical Data | NSN 4820-01-322-4987
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
Restrictions/Controls & Freight Information | NSN 4820-01-322-4987
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| 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 | ||