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National Stock Number:
5305-00-478-0275
Federal Supply Class:
5305
National Item Identification Number:
004780275
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:
| FFS85 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | MS35307-402 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | NASM35307-402 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 1.313 INCHES MINIMUM | | FASTENER LENGTH | 4.656 INCHES MINIMUM AND | | 4.750 INCHES MAXIMUM | | MATERIAL | STEEL COMP 302 OR | | STEEL COMP 303 OR | | STEEL COMP 303SE OR | | STEEL COMP 304 OR | | STEEL COMP 304L OR | | STEEL COMP 305 OR | | STEEL COMP 309 OR | | STEEL COMP 310 OR | | STEEL COMP 316 OR | | STEEL COMP 316L OR | | STEEL COMP 317 OR | | STEEL COMP 321 OR | | STEEL COMP 322 OR | | STEEL COMP 324 OR | | STEEL COMP 347 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD QUANTITY PER INCH | 14 | | THREAD CLASS | 2A | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.272 INCHES MINIMUM AND | | 0.291 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND | | 0.625 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES THREADS | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND | | 10P STYLE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFS85 |
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