5305-01-330-9770 SCREW,CAP,SOCKET HEAD Index 5305-01-330-9772 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-330-9771

Federal Supply Class:
5305

National Item Identification Number:
013309771

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-3AX2.250 IN. LG NICU80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
FF-S-8681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH10
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.654 INCHES MINIMUM AND
1.854 INCHES MAXIMUM
FASTENER LENGTH2.250 INCHES NOMINAL
MATERIALNICKEL ALLOY 400 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH40000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER1.355 INCHES MINIMUM AND
1.438 INCHES MAXIMUM
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND
84.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS5.000 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA4 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-86


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