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National Stock Number:
5306-01-475-2628
Federal Supply Class:
5306
National Item Identification Number:
014752628
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:
| ST3M497 | 76301 | THE BOEING COMPANY | | ST3M497-5-27 | 06710 | VALLEY-TODECO, INC. | | ST3M497-5-27 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M497-5-27 | 27624 | SPS TECHNOLOGIES LLC | | ST3M497-5-27 | 57928 | SONIC INDUSTRIES, INC. | | ST3M497-5-27 | 73197 | HI-SHEAR CORPORATION | | ST3M497-5-27 | 76301 | THE BOEING COMPANY | | ST3M497-5-27 | 80539 | SPS TECHNOLOGIES, LLC | | ST3M497-5-27 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M497-5-27 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 2.139 INCHES MINIMUM AND | | 2.186 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | THREAD LENGTH | 0.487 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD HEIGHT | 0.177 INCHES MINIMUM AND | | 0.197 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.502 INCHES NOMINAL | | GRIP LENGTH | 1.678 INCHES MINIMUM AND | | 1.698 INCHES MAXIMUM | | GRIP DIAMETER | 0.3271 INCHES MINIMUM AND | | 0.3276 INCHES MAXIMUM |
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