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		                        | National Stock Number:
 5305-01-110-7903
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 011107903
 
 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.
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 Manufacturer Information:
 
 | FF-S-85 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |  | MS51095-401 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |  | NASM51095 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |  | MS51095-401 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 
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 Techincal Specification:
 
 | FASTENER LENGTH | 4.656 INCHES MINIMUM AND 4.750 INCHES MAXIMUM |  | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM  AND 34.0 ROCKWELL C MAXIMUM OVERALL |  | HEAD HEIGHT | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |  | HEAD STYLE | HEXAGON |  | HOLE CONFIGURATION STYLE | HEXAGON FLATS |  | HOLE DIAMETER | 0.062 INCHES NOMINAL |  | HOLE QUANTITY | 1 |  | HOLE TYPE | DRILLED |  | MATERIAL | STEEL COMP 1013  OR STEEL COMP 1015  OR STEEL COMP 1016  OR STEEL COMP 1017  OR STEEL COMP 1018  OR STEEL COMP 1019  OR STEEL COMP 1020  OR STEEL COMP 1021  OR STEEL COMP 1022  OR STEEL COMP 1023  OR STEEL COMP 1524  OR STEEL COMP 1025  OR STEEL COMP 1026  OR STEEL COMP 1527  OR STEEL COMP 1029  OR STEEL COMP 1030  OR STEEL COMP 1033  OR STEEL COMP 1034  OR STEEL COMP 1035  OR STEEL COMP 1536  OR STEEL COMP 1037  OR STEEL COMP 1038  OR STEEL COMP 1039  OR STEEL COMP 1040  OR STEEL COMP 1541 OVERALL |  | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |  | NOMINAL THREAD DIAMETER | 0.438 INCHES |  | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | SURFACE TREATMENT |  |  | THREAD CLASS | 2A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 1.313 INCHES MINIMUM |  | THREAD QUANTITY PER INCH | 14 |  | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |  | WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | 
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