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National Stock Number:
5306-00-514-9536
Federal Supply Class:
5306
National Item Identification Number:
005149536
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:
| B18.2.1 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | FF-B-575 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | FF-B-575 TY1CL2 | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 5.000 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 1.250 INCHES MINIMUM | | HEAD STYLE | SQUARE | | THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 81.7 ROCKWELL B MINIMUM AND | | 100.0 ROCKWELL B MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 36000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.308 INCHES MINIMUM AND | | 0.348 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.725 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | GRIP LENGTH | 3.750 INCHES NOMINAL | | FEATURES PROVIDED | UNFINISHED HEAD | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND | | 2 CLASS | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-B-575 |
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