7021-01-370-5786 COMPUTER,DIGITAL Index 5306-01-370-5788 BOLT,MACHINE

National Stock Number:
5306-01-370-5787

Federal Supply Class:
5306

National Item Identification Number:
013705787

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:
BACB30LE5-1081205THE BOEING COMPANY
BACB30LE5K1006710VALLEY-TODECO, INC.
BACB30LE5K1006725SPS TECHNOLOGIES, LLC
BACB30LE5K1006950HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30LE5K1017446HUCK INTERNATIONAL, INC
BACB30LE5K1017943FEDERAL MANUFACTURING CORP
BACB30LE5K101RC86HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30LE5K1027624SPS TECHNOLOGIES LLC
BACB30LE5K1056878SPS TECHNOLOGIES, LLC
BACB30LE5K1057928SONIC INDUSTRIES, INC.
BACB30LE5K1081205THE BOEING COMPANY


Techincal Specification:
EXTENDED WASHER DIAMETER0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
FASTENER LENGTH1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM
GRIP LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD HEIGHT0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
MATERIALIRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER0.3125 INCHES
WIDTH BETWEEN FLATS0.418 INCHES MINIMUM AND 0.434 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBMS 10-85,TY I MFR REF SINGLE TREATMENT RESPONSE THREADS
SURFACE TREATMENTALUMINUM THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.593 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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