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National Stock Number:
5306-00-151-3476
Federal Supply Class:
5306
National Item Identification Number:
001513476
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.
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Manufacturer Information:
| 60-7-16 | 80049 | DEPARTMENT OF THE AIR FORCE | | 60-7-16 | 99238 | AIR FORCE STANDARD | | FFB571 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY THREAD LG | | FASTENER LENGTH | 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE | | WIDTH BETWEEN FLATS | 0.603 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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