5305-01-555-5997 SCREW,CAP,HEXAGON HEAD Index 5305-01-554-8443 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-556-0149

Federal Supply Class:
5305

National Item Identification Number:
015560149

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:
001032-005B63516L3 AVIATION PRODUCTS INC


Techincal Specification:
FASTENER LENGTH1.178 INCHES NOMINAL
HEAD DIAMETER0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIAL FEATURESGRIP DIA IS 0.145/.155 INCH
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNRF
WIDTH ACROSS FLATS0.156 INCHES NOMINAL


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