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National Stock Number:
5306-01-229-3480
Federal Supply Class:
5306
National Item Identification Number:
012293480
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:
| NAS428KH5-26 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 2.750 INCHES MINIMUM AND | | 2.752 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 OR | | STEEL COMP 8740 OR | | STEEL COMP 8630 OR | | STEEL COMP 8735 OR | | STEEL COMP 4130 OR | | STEEL COMP 4037 OVERALL | | THREAD LENGTH | 2.688 INCHES MINIMUM AND | | 2.721 INCHES MAXIMUM | | HEAD STYLE | CROWNED HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.172 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND | | 0.502 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | HEXAGON FLATS | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | HOLE DIAMETER | 0.069 INCHES MINIMUM AND | | 0.074 INCHES MAXIMUM | | GRIP LENGTH | 0.031 INCHES MINIMUM AND | | 0.062 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | SPECIAL FEATURES | ADJUSTING SLOT THREAD END | | SPECIFICATION/STANDARD DATA | 80205-NAS428 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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