2805-00-721-8987 TAPPET,ENGINE POPPET VALVE Index 5355-00-721-8990 KNOB

National Stock Number:
5355-00-721-8989

Federal Supply Class:
5355

National Item Identification Number:
007218989

Description:
KNOB

Detail:
An item designed to transmit manual, rotary or linear motion to other devices. May include detachable or nondetachable stud (shaft), pointer, or skirt. It may have reference markings in the form of dots, arrows, hairlines, and/or symbols which may be used in conjunction with a calibrated panel, vernier indicator, and the like to indicate the position or motion of items. For items having spokes or simulated spokes radiating from near the center to near the outside rim of the item and relatively thin round disk-shaped items 3 inches (76.2 mm) in diameter or over, see HANDWHEEL. For items calibrated in units or series of divisions to denote relative positioning of devices see DIAL, CONTROL. Excludes DOORKNOB; and HANDLE (as modified).


Manufacturer Information:
257807207187HONEYWELL INTERNATIONAL INC.
257807256232LOCKHEED MARTIN CORPORATION


Techincal Specification:
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.296 INCHES NOMINAL
ATTACHMENT METHODSETSCREWS
FLUTED FOIL QUANTITY8
GRIPPING SURFACE CONDITIONSMOOTH
INSIDE DIAMETER0.235 INCHES NOMINAL
OVERALL DEPTH0.625 INCHES NOMINAL
OVERALL THICKNESS0.750 INCHES NOMINAL
NOMINAL THREAD SIZE0.112 INCHES SCREW HOLE
REFERENCE MARKINGARROW AND TURN
SCREW DRIVE TYPEHEXAGON SOCKET
SETSCREW HOLE QUANTITY2
SHAFT ACCOMMODATION STYLEROUND
WIDTH2.500 INCHES NOMINAL
STYLE DESIGNATORFLUTED FOILS
THREAD QUANTITY PER INCH40 SCREW HOLE
THREAD SERIES DESIGNATORUNC SCREW HOLE


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