2805-00-124-6988 SHIELD,VALVE STEM Index 2805-00-124-6991 BALL UNIT

National Stock Number:
5340-00-124-6989

Federal Supply Class:
5340

National Item Identification Number:
001246989

Description:
SEAT,HELICAL COMPRESSION SPRING

Detail:
A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a RETAINER, HELICAL COMPRESSION SPRING. Excludes WASHER (1), (as modified); SEAT, BALL SOCKET and HOLDER, SPRING. See also ROTOR, ENGINE POPPET VALVE.


Manufacturer Information:
389693411862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
389693424617GENERAL MOTORS CORP
38969347X677GENERAL MOTORS LLC
48348D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
B4834888907BRUNSWICK CORP


Techincal Specification:
DISTANCE FROM END TO FIRST STEP0.2520 INCHES NOMINAL
END DIAMETER0.5840 INCHES NOMINAL
BORE DIAMETER0.4900 INCHES NOMINAL
BORE TAPER IN DEG6.0
CHAMFER ANGLE IN DEG12.0
COUNTERSINK ANGLE IN DEG45.0
COUNTERSINK DIAMETER0.6250 INCHES NOMINAL
DESIGN TYPESOLID
FIRST STEP DIAMETER0.7500 INCHES NOMINAL
FIRST STEP LENGTH0.1250 INCHES NOMINAL
OVERALL HEIGHT0.5020 INCHES NOMINAL
MATERIALSTEEL
SEAT ANGLE IN DEG12.0
SECOND END DIAMETER0.7950 INCHES NOMINAL
SECOND STEP DIAMETER1.1940 INCHES NOMINAL
STYLE DESIGNATORSEAT


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