5305-01-421-2026 SCREW,MACHINE Index 5305-01-421-2028 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-421-2027

Federal Supply Class:
5305

National Item Identification Number:
014212027

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
H467AH001 ITEM NO. 1298523JERED LLC
Z467AH01398523JERED LLC


Techincal Specification:
FASTENER LENGTH1.250 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING45.0 ROCKWELL C MINIMUM FASTENER
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
HEAD STYLEHEXAGON
LOCKING FEATUREPELLET OR STRIP OR PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR8 FED STD ALL MATERIAL RESPONSES FASTENER
MATERIALPLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIALSTEEL FASTENER
MINIMUM YIELD STRENGTH120000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.500 INCHES
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.096 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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