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National Stock Number:
5306-00-145-7699
Federal Supply Class:
5306
National Item Identification Number:
001457699
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:
| AN3-57A | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 5.890 INCHES MINIMUM AND | | 5.937 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 0.344 INCHES MINIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | SURFACE TREATMENT | CADMIUM OR | | DICHROMATE OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.109 INCHES MINIMUM AND | | 0.141 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.365 INCHES MINIMUM AND | | 0.377 INCHES MAXIMUM | | GRIP LENGTH | 5.546 INCHES MINIMUM AND | | 5.578 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 88044 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN3-57A |
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