5305-01-086-7374 SCREW,MACHINE Index 5305-01-086-7377 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-086-7376

Federal Supply Class:
5305

National Item Identification Number:
010867376

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:
FF-S-8681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS24676-16996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS24677-16980205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS24677-16996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER1.000 INCHES
THREAD QUANTITY PER INCH8
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.360 INCHES MINIMUM AND
3.120 INCHES MAXIMUM
FASTENER LENGTH5.360 INCHES MINIMUM AND
5.500 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 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 DIAMETER1.479 INCHES MINIMUM AND
1.500 INCHES MAXIMUM
HEAD HEIGHT0.988 INCHES MINIMUM AND
1.000 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.750 INCHES MINIMUM AND
0.757 INCHES MAXIMUM
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
HOLE TYPEDRILLED
HOLE QUANTITY6
HOLE DIAMETER0.091 INCHES MINIMUM AND
0.097 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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