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National Stock Number:
5306-00-606-5922
Federal Supply Class:
5306
National Item Identification Number:
006065922
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:
| 727145-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 4.360 INCHES NOMINAL | | MATERIAL | STEEL COMP 8740 OVERALL | | THREAD LENGTH | 0.485 INCHES NOMINAL | | HEAD STYLE | DEE CHAMFER | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049,CONDITION C-4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CHROMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-6049,SPEC. 496 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD DIAMETER | 0.870 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | DISTANCE FROM CENTERLINE TO FLAT | 0.375 INCHES MINIMUM AND | | 0.378 INCHES MAXIMUM | | GRIP LENGTH | 3.875 INCHES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES GRIP | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.236 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.105 INCHES MINIMUM AND | | 0.110 INCHES MAXIMUM FIRST HOLE | | SPECIAL FEATURES | RELIEF GROOVE NEXT TO THREADED END 0.427 IN.MAX. DIA.,0.125 IN. LONG; RELIEVED SEGMENT BETWEEN HEAD AND UNTHREADED SEGMENT,0.479 IN. NOM. DIA. AND0.125 IN. WIDE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 98897 | | DESIGN CONTROL REFERENCE | 727145-1 |
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