NSN 4820-00-344-1449 17181P20, 00-344-1449, 003441449
Product Details | VALVE SEAT
4820-00-344-1449 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: 17181P20, 4820-00-344-1449, 00-344-1449, 4820003441449, 003441449
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-344-1449 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-344-1449
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Technical Data | NSN 4820-00-344-1449
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B7 PLAIN FLANGED |
| FLANGE DIAMETER | 2.633 INCHES MINIMUM AND 2.653 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 2.733 INCHES MINIMUM AND 2.777 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 2.182 INCHES MINIMUM AND 2.192 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.436 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.136 INCHES MINIMUM AND 0.144 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5700 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 90.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM OVERALL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| III FSC APPLICATION DATA | ACFT ENG R1830 |
| MANUFACTURERS CODE | 77445 |
| DESIGN CONTROL REFERENCE | 17181P20 |
Restrictions/Controls & Freight Information | NSN 4820-00-344-1449
| 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 |
|---|---|---|
| NMF Description | 051080 | FAUCETS,BIBCOCKS,GATES VALVES |
| Less than car load rating | S | 60 |
| Less than truck load rating | W | Rating Variable |
| 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 |