2805-00-342-7478 TAPPET,ENGINE POPPET VALVE Index 2805-00-342-7486 SHIM

National Stock Number:
2805-00-342-7480

Federal Supply Class:
2805

National Item Identification Number:
003427480

Description:
ROTOR,ENGINE POPPET VALVE

Detail:
A SPRING LOADED METALLIC DEVICE WHICH IS SPECIFICALLY DESIGNED TO ROTATE THE POPPET VALVES OF AN INTERNAL COMBUSTION ENGINE TO PREVENT UNEVEN WEAR AND/OR DISTORTION OF THE VALVE SEATING SURFACE. SEE ALSO SEAT, HELICAL COMPRESSION SPRING.


Manufacturer Information:
1086187519207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
155100212204DAIMLER CHRYSLER
RC7831033TRW INC TRW INTL TRADE GOVERNMENT SALES DEPT


Techincal Specification:
BORE DIAMETER0.532 INCHES NOMINAL
DISTANCE FROM END TO NEAREST STEP0.112 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
FIRST STEP DIAMETER0.685 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
FIRST STEP LENGTH0.078 INCHES NOMINAL
FSC APPLICATION DATAGASOLINE ENGINE,NONAIRCRAFT
OVERALL HEIGHT0.523 INCHES MINIMUM AND 0.533 INCHES MAXIMUM
ROTATION DIRECTIONCLOCKWISE
SECOND STEP DIAMETER0.958 INCHES MINIMUM AND 0.990 INCHES MAXIMUM
SECOND STEP LENGTH0.125 INCHES NOMINAL
STARTING LOAD RANGE+84.0 TO 164.0 POUNDS
STYLE DESIGNATORPOSITIVE TYPE-TAPERED BORE
TAPERED BORE INCLUDED ANGLE IN DEG14 DEG,15 MIN PORM 30 DEG
THIRD STEP DIAMETER1.203 INCHES NOMINAL
THIRD STEP LENGTH0.198 INCHES MINIMUM AND 0.218 INCHES MAXIMUM


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