NSN 4820-00-858-1653 2356975, 00-858-1653, 008581653
Product Details | VALVE SEAT
4820-00-858-1653 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: 2356975, 4820-00-858-1653, 00-858-1653, 4820008581653, 008581653
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-858-1653 | 22113 ( SEAT, VALVE ) |
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Technical Data | NSN 4820-00-858-1653
| Characteristic | Specifications |
|---|---|
| OVERALL HEIGHT | 2.459 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.625 INCHES NOMINAL |
| MATERIAL | STEEL COMP 52100 OVERALL |
| HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 15.000 NOMINAL |
| SEAL ACCOMMODATION TYPE | GROOVED |
| THREAD SERIES DESIGNATOR | UNF FIRST THREADED PORTION UNF SECOND THREADED PORTION |
| NOMINAL THREAD SIZE | 0.875 INCHES FIRST THREADED PORTION 0.875 INCHES SECOND THREADED PORTION |
| THREAD CLASS | 3A FIRST THREADED PORTION 3A SECOND THREADED PORTION |
| THREAD LENGTH | 0.360 INCHES NOMINAL FIRST THREADED PORTION 0.421 INCHES NOMINAL SECOND THREADED PORTION |
| MANUFACTURERS CODE | 88277 |
| DESIGN CONTROL REFERENCE | 2356975 |
Restrictions/Controls & Freight Information | NSN 4820-00-858-1653
| 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: | 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. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| NMF Description | 127220 | PRESSURE REG/RED/RELIEF VALVES NOI |
| Less than car load rating | P | 77.5 |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | ||
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | Z | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |