5360-00-139-0653 SPRING,HELICAL,COMPRESSION Index 5310-00-139-0658 WASHER,FLAT

National Stock Number:
5305-00-139-0656

Federal Supply Class:
5305

National Item Identification Number:
001390656

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:
68444-707-194756THE BOEING COMPANY


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