NSN 2805-00-173-2546 78077, 78077A, 00-173-2546
Product Details | ENGINE VALVE SEAT INSERT
2805-00-173-2546 A metal ring designed to provide a seating surface for a VALVE, POPPET, ENGINE It is made of special high-grade alloy metal that can withstand high operating temperatures. For fulid valves, see SEAT, VALVE.20328050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components
Part Alternates: 78077, 78077A, 2805-00-173-2546, 00-173-2546, 2805001732546, 001732546
Engines, Turbines, and Components | Gasoline Reciprocating Engines, Except Aircraft; and Components
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 28 | 01 JAN 1963 | 00-173-2546 | 42140 ( INSERT, ENGINE VALVE SEAT ) |
Drawings & Photos | NSN 2805-00-173-2546
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Technical Data | NSN 2805-00-173-2546
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B6 PLAIN |
| OVERALL HEIGHT | 0.186 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 1.066 INCHES MINIMUM AND 1.067 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.807 INCHES MINIMUM AND 0.817 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
Restrictions/Controls & Freight Information | NSN 2805-00-173-2546
| 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: | 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 | ||
Management | NSN 2805-00-173-2546
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9C | Navy-owned stocks of defense construction material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | S9C | Defense Supply Center Columbus Columbus, OH 43215 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Y | TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |