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National Stock Number: 5305-00-010-0172
Federal Supply Class: 5305
National Item Identification Number: 000100172
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:
FFS85TYPE2STYLE10PGRADE10R2 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
FASTENER LENGTH | 1.500 INCHES NOMINAL | HARDNESS RATING | 95.5 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL | HEAD HEIGHT | 0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM | HEAD STYLE | HEXAGON | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 1 OR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL OVERALL | MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH | MINIMUM YIELD STRENGTH | 52000 POUNDS PER SQUARE INCH | NOMINAL THREAD DIAMETER | 0.562 INCHES | SPECIAL FEATURES | 2ND REPLY FOR MINIMUM TENSILE STRENGTH,64000 PSI | WIDTH BETWEEN FLATS | 0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 1.281 INCHES MINIMUM AND 1.500 INCHES MAXIMUM | THREAD QUANTITY PER INCH | 12 | THREAD SERIES DESIGNATOR | UNC |
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