6685-01-561-0786 GAGE,PRESSURE,DIAL INDICATING Index 6350-01-561-0788 HORN,SIGNAL

National Stock Number:
5306-01-561-0787

Federal Supply Class:
5306

National Item Identification Number:
015610787

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.


Manufacturer Information:
NAS428-5A1080205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.000 INCHES MINIMUM AND
1.062 INCHES MAXIMUM
THREAD LENGTH0.870 INCHES NOMINAL
HEAD STYLECROWNED HEXAGON
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.162 INCHES MINIMUM AND
0.182 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.490 INCHES MINIMUM AND
0.502 INCHES MAXIMUM
GRIP LENGTH0.031 INCHES MINIMUM AND
0.062 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT


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