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National Stock Number:
5305-00-337-2576
Federal Supply Class:
5305
National Item Identification Number:
003372576
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:
| 25704-281210-44-0 | D1839 | BUNDESAMT FUER AUSRUESTUNG, | | 25704-281210-44-0 | D2692 | KRAUSS-MAFFEI WEGMANN GMBH & CO. KG-WERK KASSEL- | | 2984PC242 | 0AF14 | RYAN EQUIPMENT CO INC | | 2985PC242 | 0AF14 | RYAN EQUIPMENT CO INC | | 2984PC242 | 0AFL4 | CHAMPION AEROSPACE LLC | | 27-1285A | K0160 | LISTER PETTER LTD | | 2986PC242 | 0AF14 | RYAN EQUIPMENT CO INC | | 2986PC242 | 0AFL4 | CHAMPION AEROSPACE LLC | | 2985PC242 | 0AFL4 | CHAMPION AEROSPACE LLC | | D8471-44-14 | 60144 | UNIFAB INDUSTRIES INC | | G205802-17 | 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO | | D8471-44-14 | 81336 | CHIEF OF ENGINEERS DEPT OF ARMY | | FFS85 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | 3602 | 92878 | HDT EXPEDITIONARY SYSTEMS INC | | X86 | 12204 | DAIMLER CHRYSLER | | X86 | 68505 | PRESTOLITE ELECTRIC INC | | G205802-17 | 70408 | AT AND T CORP | | S6101-3121461PC242 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | S6101-3121462PC242 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | S6101-3121463PC242 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 0.625 INCHES NOMINAL | | HARDNESS RATING | 23.0 ROCKWELL C NOMINAL OVERALL | | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 74000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 2 GRADE | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 125.0 MICROINCHES GRIP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.625 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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