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National Stock Number:
5306-01-622-7679
Federal Supply Class:
5306
National Item Identification Number:
016227679
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:
| NAS428-6A6 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 0.750 INCHES MINIMUM AND 0.812 INCHES MAXIMUM | | GRIP LENGTH | 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM | | HEAD HEIGHT | 0.203 INCHES NOMINAL | | HEAD STYLE | CROWNED HEXAGON | | MATERIAL | | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT MACHINE | | SURFACE TREATMENT | | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
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