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National Stock Number:
5306-00-886-1431
Federal Supply Class:
5306
National Item Identification Number:
008861431
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:
| 114L1027-1 | 06710 | VALLEY-TODECO, INC. | | 114L1027-1 | 77272 | THE BOEING COMPANY | | 114L1027-1 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 3.740 INCHES MINIMUM AND | | 3.760 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 0.390 INCHES MINIMUM AND | | 0.430 INCHES MAXIMUM | | HEAD STYLE | ROUND W/WRENCH FLATS | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.562 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | SURFACE TREATMENT | NICKEL OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-26074 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 240000 POUNDS PER SQUARE INCH | | HEAD DIAMETER | 0.990 INCHES MINIMUM AND | | 1.010 INCHES MAXIMUM | | HEAD HEIGHT | 0.230 INCHES MINIMUM AND | | 0.270 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.860 INCHES MINIMUM AND | | 0.880 INCHES MAXIMUM | | GRIP LENGTH | 3.320 INCHES MINIMUM AND | | 3.360 INCHES MAXIMUM | | SURFACE FINISH | 50.0 MICROINCHES HEAD | | 32.0 MICROINCHES GRIP | | 50.0 MICROINCHES THREADS | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.570 INCHES MINIMUM AND | | 3.590 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.143 INCHES MINIMUM AND | | 0.149 INCHES MAXIMUM FIRST HOLE | | FEATURES PROVIDED | FINISHED HEAD | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77272 | | DESIGN CONTROL REFERENCE | 114L1027-1 |
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