5305-01-171-0550, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-171-0550

Federal Supply Class:
5305

National Item Identification Number:
011710550

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:

99-4394-07

99167

HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.875 INCHES NOMINAL
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNJC
FASTENER LENGTH	0.922 INCHES MINIMUM AND 0.954 INCHES MAXIMUM
HARDNESS RATING	40.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE DIAMETER	0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
HOLE QUANTITY	6
HOLE TYPE	DRILLED
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
PROPRIETARY CHARACTERISTICS	PACS
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.164 INCHES
WIDTH ACROSS FLATS	0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL

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