5305-01-189-8438 SCREW,CAP,SOCKET HEAD Index 5305-01-189-8440 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-189-8439

Federal Supply Class:
5305

National Item Identification Number:
011898439

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:
1507907270MOOG INC.
895-20885 ITEM 1107270MOOG INC.


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH14
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.297 INCHES MINIMUM AND
1.500 INCHES MAXIMUM
FASTENER LENGTH1.440 INCHES MINIMUM AND
1.500 INCHES MAXIMUM
MATERIALSTEEL OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.642 INCHES MINIMUM AND
0.656 INCHES MAXIMUM
HEAD HEIGHT0.430 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.375 INCHES NOMINAL


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