5305-00-068-5277 SCREW,CAP,SOCKET HEAD Index 5305-00-068-5282 SETSCREW

National Stock Number:
5305-00-068-5278

Federal Supply Class:
5305

National Item Identification Number:
000685278

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
5580-10D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
FF-S-8681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS24677-4180205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS24677-4196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.960 INCHES MINIMUM AND
1.250 INCHES MAXIMUM
FASTENER LENGTH1.960 INCHES MINIMUM AND
2.000 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH150000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.365 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND
0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.1875 INCHES MINIMUM AND
0.1900 INCHES MAXIMUM
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
HOLE TYPEDRILLED
HOLE QUANTITY6
HOLE DIAMETER0.044 INCHES MINIMUM AND
0.050 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-86


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