5305-00-186-4244, SCREW,CAP,SOCKET HEAD

6625-00-186-4250 CABLEASSEMBLY,POWER,ELECTRICAL

National Stock Number:
5305-00-186-4244

Federal Supply Class:
5305

National Item Identification Number:
001864244

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:

FFS86REVC	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS24677-164	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS24677-164	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
FASTENER LENGTH	3.150 INCHES MINIMUM AND 3.250 INCHES MAXIMUM
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	1.479 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
HEAD HEIGHT	0.988 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	130000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	1.000 INCHES
NONDEFINITIVE SPEC/STD DATA	6 TYPE
SPECIAL TEST FEATURES	SPECIAL QUALITY CONTROL TESTING
WIDTH ACROSS FLATS	0.750 INCHES MINIMUM AND 0.757 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	2.900 INCHES MINIMUM AND 3.250 INCHES MAXIMUM
THREAD QUANTITY PER INCH	8
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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