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National Stock Number:
5306-00-281-5124
Federal Supply Class:
5306
National Item Identification Number:
002815124
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:
| 11A6816 | 95201 | NAPCO INTERNATIONAL LLC | | S1815-1 | 04969 | AVAILABLE TRUCK CO | | S1815-2 | 3D6E9 | MERITOR INDUSTRIAL PRODUCTS, LLC | | S1815-2 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | S1815-1 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC |
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Techincal Specification:
| FASTENER LENGTH | 1.875 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HARDNESS RATING | 27.6 ROCKWELL C MINIMUM AND 34.3 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A331 ASSN STD 1ST MATERIAL RESPONSE OR AASTM A304 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A331 ASSN STD 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 8740 OR STEEL COMP 4140 OR STEEL COMP 8640 OVERALL | | MINIMUM YIELD STRENGTH | 110000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | WIDTH BETWEEN FLATS | 0.840 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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