5310-00-639-7708 WASHER,FLAT Index 5305-00-639-7715 SETSCREW

National Stock Number:
5305-00-639-7712

Federal Supply Class:
5305

National Item Identification Number:
006397712

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:
235540C9D4PERATON INC
235549N770TELEPHONICS CORP/PRD INSTRUMENTS


Techincal Specification:
FASTENER LENGTH1.500 INCHES NOMINAL
HEAD DIAMETER0.562 INCHES NOMINAL
HEAD HEIGHT0.375 INCHES NOMINAL
HEAD STYLEKNURLED NO. 1
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
POINT STYLECONE
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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