5305-01-500-4489 SCREW,CAP,SOCKET HEAD Index 5305-01-500-4491 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-500-4490

Federal Supply Class:
5305

National Item Identification Number:
015004490

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:
0.125-40UNRC-3AX0.500LG NICU81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
582-7067148-11953711NAVAL SEA SYSTEMS COMMAND
68-09-E05096169ELECTRIC BOAT CORPORATION
H615-2002-11996169ELECTRIC BOAT CORPORATION


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HARDNESS RATING80.0 ROCKWELL B NOMINAL OVERALL
HEAD DIAMETER0.205 INCHES NOMINAL
HEAD HEIGHT0.125 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH OR PELLET HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD DIAMETER0.125 INCHES
WIDTH ACROSS FLATS0.094 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
THREAD SERIES DESIGNATORUNRC
THREAD QUANTITY PER INCH40


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