5305-01-316-5275 SCREW,CAP,SOCKET HEAD Index 5305-01-316-5277 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-316-5276

Federal Supply Class:
5305

National Item Identification Number:
013165276

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:
519-4643331 ITEM 1480064NAVAL SHIP SYSTEMS COMMAND
60-16-146296169ELECTRIC BOAT CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH13
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.000 INCHES MINIMUM AND
2.390 INCHES MAXIMUM
FASTENER LENGTH2.750 INCHES NOMINAL
MATERIALNICKEL ALLOY R-405 OR
NICKEL ALLOY 400 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.735 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA6 TYPE


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