NSN 2805-00-374-9443 I181856B, I18-1856B, 75524R3
Product Details | ENGINE POPPET VALVE TAPPET
2805-00-374-9443 A cylindrically shaped metal item designed to transmit intermittent motion from the cam lobe on a shaft or cam ring, to the engine poppet valve. It may be mechanically or hydraulically operating, and may include adjusting devices.20328050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components
Part Alternates: I181856B, I18-1856B, 75524R3, 2805-00-374-9443, 00-374-9443, 2805003749443, 003749443
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 | 00-374-9443 | 22199 ( TAPPET, ENGINE POPPET VALVE ) |
Drawings & Photos | NSN 2805-00-374-9443
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Technical Data | NSN 2805-00-374-9443
| Characteristic | Specifications |
|---|---|
| OPERATION METHOD | MECHANICAL |
| MATERIAL AND LOCATION | IRON, CAST OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | 52.0 ROCKWELL C MINIMUM FACE |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| STYLE DESIGNATOR | J1 COUNTERBORED PUSH ROD END |
| CONCENTRIC HOLE DEPTH | 1.709 INCHES MINIMUM AND 1.791 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 0.843 INCHES NOMINAL |
| COUNTERBORE DEPTH | 1.496 INCHES MINIMUM AND 1.526 INCHES MAXIMUM |
| CONCENTRIC HOLE DIAMETER | 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| OVERALL LENGTH | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM |
| SPHERICAL RADIUS | ANY ACCEPTABLE |
| CAM END DIAMETER | 0.996 INCHES MINIMUM AND 0.997 INCHES MAXIMUM |
| CROWN HEIGHT | ANY ACCEPTABLE |
| BODY HOLE DIAMETER | 0.250 INCHES NOMINAL |
| DISTANCE FROM BODY HOLE CENTER TO CAM END | 0.625 INCHES NOMINAL |
| ADJUSTABILITY | NONADJUSTABLE |
| SIZE DESIGNATION | STANDARD |
Restrictions/Controls & Freight Information | NSN 2805-00-374-9443
| 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 2805-00-374-9443
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 |