5305-00-174-8657, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-174-8657

Federal Supply Class:
5305

National Item Identification Number:
001748657

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-86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
NAS1351C04-6	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.112 INCHES
THREAD QUANTITY PER INCH	48
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.317 INCHES MINIMUM AND
	0.391 INCHES MAXIMUM
FASTENER LENGTH	0.359 INCHES MINIMUM AND
	0.391 INCHES MAXIMUM
MATERIAL	STEEL COMP 302 OR
	STEEL COMP 304 OR
	STEEL COMP 305 OR
	STEEL COMP 316 OR
	STEEL COMP 384 OVERALL
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 STYLE	FLAT CHAMFER
HEAD DIAMETER	0.176 INCHES MINIMUM AND
	0.183 INCHES MAXIMUM
HEAD HEIGHT	0.108 INCHES MINIMUM AND
	0.112 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.094 INCHES MINIMUM AND
	0.095 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA	80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-86

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