5305-00-142-3572, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-142-3572

Federal Supply Class:
5305

National Item Identification Number:
001423572

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:

FFS86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
LK21295-6	26304	TORKON FASTENER CORP
MS21295-6	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS21295-6	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

DEPARTURE FROM CITED DESIGNATOR	EXCEPT AS MODIFIED BY LOCKING FEATURE IN THREADED PORTION
FASTENER LENGTH	0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
HARDNESS RATING	80.0 ROCKWELL B MINIMUM OVERALL
HEAD DIAMETER	0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT	0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PATCH OR PELLET OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	30000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.164 INCHES
NONDEFINITIVE SPEC/STD DATA	6 TYPE
WIDTH ACROSS FLATS	0.140 INCHES MINIMUM AND 0.142 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD LENGTH	0.173 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC

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