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National Stock Number:
5306-00-060-7930
Federal Supply Class:
5306
National Item Identification Number:
000607930
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:
| 114DS163-1 | 77272 | THE BOEING COMPANY | | VAL12001-4 | 06710 | VALLEY-TODECO, INC. |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 2.680 INCHES MINIMUM AND | | 2.720 INCHES MAXIMUM | | MATERIAL | STEEL COMP E4340 OVERALL | | THREAD LENGTH | 0.525 INCHES MINIMUM AND | | 0.595 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.090 INCHES MINIMUM AND | | 0.110 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND | | 0.502 INCHES MAXIMUM | | GRIP LENGTH | 2.135 INCHES MINIMUM AND | | 2.165 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP | | 125.0 MICROINCHES TOP OF HEAD | | 125.0 MICROINCHES THREADS | | FEATURES PROVIDED | FINISHED HEAD | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 77272 | | MFR SOURCE CONTROLLING REFERENCE | 114DS163-1 |
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