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National Stock Number:
5306-00-038-1251
Federal Supply Class:
5306
National Item Identification Number:
000381251
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:
| LS580 | 36659 | LOCKHEED MARTIN CORP LOCKHEED MARTIN AERONAUTICAL SYSTEMS BURBANK OPNS | | LS580 | 98897 | LOCKHEED MARTIN CORP | | LS580-6-35 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.272 INCHES MINIMUM AND 1.292 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 1.438 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 1.084 INCHES MINIMUM AND 1.104 INCHES MAXIMUM | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 CONDITION C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE | | WIDTH BETWEEN FLATS | 0.552 INCHES MINIMUM AND 0.565 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM HEAD | | SURFACE TREATMENT | CADMIUM THREADS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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