5340-00-470-5407 CAP,PROTECTIVE,DUST AND MOISTURE Index 5315-00-470-5409 PIN,STRAIGHT,HEADLESS

National Stock Number:
5306-00-470-5408

Federal Supply Class:
5306

National Item Identification Number:
004705408

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:
NK5-420NFB8DIALOGIC CORP
NK5-4226233NYLOK LLC
NK5-4251792APOLLO AEROSPACE COMPONENTS LLC


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH4.328 INCHES MINIMUM AND
4.375 INCHES MAXIMUM
MATERIALSTEEL COMP 4140 OR
STEEL COMP 8740 OR
STEEL COMP 8630 OR
STEEL COMP 8735 OR
STEEL COMP 4130 OR
STEEL COMP 4037 OVERALL
THREAD LENGTH0.500 INCHES MINIMUM AND
0.579 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.172 INCHES MINIMUM AND
0.204 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.490 INCHES MINIMUM AND
0.502 INCHES MAXIMUM
LOCKING FEATUREPELLET THREADS
GRIP LENGTH3.796 INCHES MINIMUM AND
3.828 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD


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