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National Stock Number:
5306-00-298-4469
Federal Supply Class:
5306
National Item Identification Number:
002984469
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:
| 24835 | 28839 | TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV |
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Techincal Specification:
| FASTENER LENGTH | 0.880 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.310 INCHES NOMINAL | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.160 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 8640 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SURFACE FINISH | 50.0 MICROINCHES THREADS | | SURFACE FINISH | 60.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.570 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 20 | | WIDTH BETWEEN FLATS | 0.440 INCHES NOMINAL |
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