5306-00-001-4778 BOLT,MACHINE Index 5306-00-001-4780 BOLT,INTERNAL WRENCHING

National Stock Number:
5305-00-001-4779

Federal Supply Class:
5305

National Item Identification Number:
000014779

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
1611208PC15510001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
THREAD SERIES DESIGNATORUNC
THREAD LENGTH1.750 INCHES MINIMUM
FASTENER LENGTH2.000 INCHES NOMINAL
MATERIALSTEEL OVERALL
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH10
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND
34.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.455 INCHES MINIMUM AND
0.483 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.100 INCHES MINIMUM AND
1.125 INCHES MAXIMUM
LOCKING FEATUREPELLET THREADS
FEATURES PROVIDEDFINISHED HEAD


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