5306-01-324-8859 BOLT,SHEAR Index 5305-01-324-8861 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-324-8860

Federal Supply Class:
5305

National Item Identification Number:
013248860

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:
0.750-10UNC-3A2.250 LG05047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
0.750-10UNC-3AX2.250IN. NICU80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
845-4558721 ITEM 1080064NAVAL SHIP SYSTEMS COMMAND
FF-S-8681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FF-S-86 TYPE IV81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH2.250 INCHES NOMINAL
HEAD DIAMETER1.251 INCHES MINIMUM AND 1.375 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALNICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.050 INCHES NOMINAL
THREAD QUANTITY PER INCH10
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.625 INCHES NOMINAL


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