5305-00-637-5312 SCREW,EXTERNALLY RELIEVED BODY Index 5310-00-637-5327 NUT,PLAIN,CLINCH

National Stock Number:
5305-00-637-5319

Federal Supply Class:
5305

National Item Identification Number:
006375319

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:
HPA8146ISSUE171053STATES ELECTRONICS CORP BLUDWORTH MARINE DIV
HPA8146ISSUE188818KEARFOTT CORPORATION


Techincal Specification:
FASTENER LENGTH2.125 INCHES NOMINAL
HEAD DIAMETER0.625 INCHES NOMINAL
HEAD HEIGHT0.500 INCHES NOMINAL
HEAD STYLEKNURLED NO. 2
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT STYLEFLAT
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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