7025-01-441-6473 DISK DRIVE UNIT Index 4730-01-441-6475 PLUG,PIPE

National Stock Number:
5306-01-441-6474

Federal Supply Class:
5306

National Item Identification Number:
014416474

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:
B1821AH031F500L80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
FASTENER LENGTH5.000 INCHES NOMINAL
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
HEAD STYLEHEXAGON
LOCKING FEATUREPATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A354, GR 8 GR BD ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL UNS K04100 OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
WIDTH BETWEEN FLATS0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY2, CL2 ASSN STD 1ST TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.875 INCHES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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