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National Stock Number:
5306-01-523-5020
Federal Supply Class:
5306
National Item Identification Number:
015235020
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:
| 752-7068430-42 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H832-0370-42 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 4.360 INCHES MINIMUM AND 4.400 INCHES MAXIMUM | | HEAD DIAMETER | 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A564, TY 630. COND-H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR ASTM A484 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 630 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIAL FEATURES | DATA EXPORT PROHIBITED | | WIDTH BETWEEN FLATS | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 3.330 INCHES MINIMUM AND 3.370 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNC |
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