5305-01-292-0377 SCREW,CAP,HEXAGON HEAD Index 5305-01-292-0379 SCREW,SHOULDER

National Stock Number:
5305-01-292-0378

Federal Supply Class:
5305

National Item Identification Number:
012920378

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:
MS51107-19396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER3.562 INCHES MINIMUM AND 3.750 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH3.812 INCHES MINIMUM AND 4.000 INCHES MAXIMUM
HEAD HEIGHT0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.875 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 8 GRADE
SHANK UNTHREADED HOLE DIAMETER0.138 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232 TY Z CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH3.535 INCHES MINIMUM AND 4.000 INCHES MAXIMUM
THREAD QUANTITY PER INCH9
THREAD SERIES DESIGNATORUNC


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