5305-01-343-1161, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-343-1161

Federal Supply Class:
5305

National Item Identification Number:
013431161

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:

524-6603688-VHBA-98	53711	NAVAL SEA SYSTEMS COMMAND
5959303-87	96169	ELECTRIC BOAT CORPORATION
803-5959303-X-87	53711	NAVAL SEA SYSTEMS COMMAND

Techincal Specification:

FASTENER LENGTH	0.875 INCHES NOMINAL
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
HEAD DIAMETER	0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT	0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PELLET OR STRIP OR PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	AMS A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	PLASTIC POLYAMIDE LOCKING FEATURESTEEL UNS K03104 FASTENER
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
WIDTH ACROSS FLATS	0.375 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83488 TY 2 CL 3 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-87115 CL 3 MIL SPEC 2ND TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	ALUMINUM AND CHROMATE OR ZINC AND CHROMATE FASTENER
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.721 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNRC
THREAD QUANTITY PER INCH	13

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