5305-01-112-7882 SETSCREW Index 5305-01-112-7886 THUMBSCREW

National Stock Number:
5305-01-112-7885

Federal Supply Class:
5305

National Item Identification Number:
011127885

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:
260035280064NAVAL SHIP SYSTEMS COMMAND
2600352A9271GORIZIANE GROUP SPA


Techincal Specification:
FASTENER LENGTH2.000 INCHES NOMINAL
HEAD DIAMETER1.250 INCHES NOMINAL
HEAD HEIGHT0.380 INCHES NOMINAL
HEAD STYLEKNURLED NO. 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 304 OR STEEL COMP 316 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
POINT STYLEFLAT
SPECIAL FEATURES0.070 TO 0.080 IN. DIA. HOLE DRILLED IN THREADS 1.875 TO 1.907 IN. FROM BEARING SURFACE OF HEAD
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.750 INCHES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH16


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