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National Stock Number:
5306-01-005-4008
Federal Supply Class:
5306
National Item Identification Number:
010054008
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:
| 13219E9796 | 97403 | CECOM LR CENTER | | 52878 | 96046 | CRANE PUMPS & SYSTEMS PFT CORP | | 83922 | 27767 | KELSEY-HAYES CO |
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Techincal Specification:
| COUNTERSINK ANGLE | 60.0 DEGREES NOMINAL | | FEATURES PROVIDED | CASEHARDENED AND FINISHED HEAD | | HARDNESS RATING | 77.0 ROCKWELL SUPERFICIAL 15-N NOMINAL OVERALL | | HEAD STYLE | HEXAGON COUNTERSUNK | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | WIDTH BETWEEN FLATS | 0.800 INCHES MINIMUM AND 0.813 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.850 INCHES MINIMUM AND 0.880 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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