5305-01-445-9869, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-445-9869

Federal Supply Class:
5305

National Item Identification Number:
014459869

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:

211073276	53711	NAVAL SEA SYSTEMS COMMAND
801-6404978 FIND 4	53711	NAVAL SEA SYSTEMS COMMAND
801-6404978-4	53711	NAVAL SEA SYSTEMS COMMAND

Techincal Specification:

FASTENER LENGTH	7.500 INCHES NOMINAL
HARDNESS RATING	80.0 ROCKWELL B MINIMUM 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	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	NICKEL ALLOY 400 FASTENER
MATERIAL	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	40000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.875 INCHES
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	2.250 INCHES MINIMUM
THREAD QUANTITY PER INCH	9
THREAD SERIES DESIGNATOR	UNRC
WIDTH ACROSS FLATS	0.750 INCHES MINIMUM

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