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National Stock Number:
5306-01-604-9955
Federal Supply Class:
5306
National Item Identification Number:
016049955
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:
| H312 18 | 30233 | FOSTER-MILLER, INC. | | H312 18X1750L-2 | 30233 | FOSTER-MILLER, INC. |
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Techincal Specification:
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F1136/F1136M, GEOMET 321 PLUS ML BLACK, PASSIVATED, ZINC AND ALUMINUM COATING FLAKES BLENDED ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE AND ZINC AND ALUMINUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC | | COLOR | BLACK OVERALL | | FASTENER LENGTH | 1.750 INCHES NOMINAL | | HEAD HEIGHT | 0.219 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT HEXAGON HEAD 5/16-18 UNC | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.313 INCHES | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
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