5305-00-206-7709 THUMBSCREW Index 5305-00-206-7718 THUMBSCREW

National Stock Number:
5305-00-206-7715

Federal Supply Class:
5305

National Item Identification Number:
002067715

Description:
THUMBSCREW

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).


Manufacturer Information:
518373919200US ARMY ARDEC RDECOM


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD DIAMETER0.750 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
HEAD STYLEKNURLED NO. 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 360 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT STYLEFLAT
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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