5305-01-408-6484, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-408-6484

Federal Supply Class:
5305

National Item Identification Number:
014086484

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:

203-5486491ITEM19(MOD)	53711	NAVAL SEA SYSTEMS COMMAND
218007998	96169	ELECTRIC BOAT CORPORATION
ENDM103969ITEM19	53711	NAVAL SEA SYSTEMS COMMAND

Techincal Specification:

FASTENER LENGTH	3.500 INCHES NOMINAL
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
HEAD DIAMETER	1.293 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
HEAD HEIGHT	0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PATCH OR PELLET OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIAL	STEEL UNS K03104 FASTENER
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.875 INCHES
WIDTH ACROSS FLATS	0.750 INCHES NOMINAL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	3.060 INCHES MINIMUM
THREAD QUANTITY PER INCH	9
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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