5315-01-399-6585 KEY,MACHINE Index 5306-01-399-6587 BOLT,MACHINE

National Stock Number:
5305-01-399-6586

Federal Supply Class:
5305

National Item Identification Number:
013996586

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:
0.31218UNC2A0.750 GR31680204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
5/16-18UNC-2A X 3/4"LG GR31680204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
5/16-18UNC-2A X 3/4"LG GR31680204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
5/16-18UNC-2A X 3/4'LG GR31680204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
M122RN5C212SDNN81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
5305PL12906719009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 316 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM


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