2530-01-454-4376 HUB CAP,WHEEL Index 5340-01-454-4378 CLAMP,LOOP

National Stock Number:
5306-01-454-4377

Federal Supply Class:
5306

National Item Identification Number:
014544377

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
NAS428HK4A1380205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH1.375 INCHES MINIMUM AND 1.437 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.062 INCHES MINIMUM AND 0.301 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.141 INCHES NOMINAL
HEAD STYLECROWNED HEXAGON
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE DIAMETER0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
HOLE TYPEDRILLED
HOLE QUANTITY1
MATERIALSTEEL COMP 8740 OR STEEL COMP 4140 OR STEEL COMP 8735 OR STEEL COMP 4037 OR STEEL COMP 4130 OVERALL
MINIMUM YIELD STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIFICATION/STANDARD DATA80205-NAS428 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SPECIAL FEATURESSLOTTED SHANK
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.313 INCHES MINIMUM AND 1.406 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM


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