5355-00-722-9404 KNOB Index 5330-00-722-9406 GASKET

National Stock Number:
5305-00-722-9405

Federal Supply Class:
5305

National Item Identification Number:
007229405

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:
NAS1300-3T1680205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM
HEAD HEIGHT0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
HEAD STYLETHUMB NO. 3
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
POINT STYLEFLAT
SHOULDER SHAPEROUND FIRST SHOULDER
SPECIFICATION/STANDARD DATA80205-NAS1300 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS0.395 INCHES MINIMUM AND 0.425 INCHES MAXIMUM
THREAD CLASS2A
THREAD LENGTH1.031 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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