5305-00-507-1689 SCREW,MACHINE Index 5340-00-507-1692 BLOCK ASSEMBLY

National Stock Number:
5305-00-507-1690

Federal Supply Class:
5305

National Item Identification Number:
005071690

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:
CE1183798230NATIONAL SECURITY AGENCY


Techincal Specification:
FASTENER LENGTH0.150 INCHES NOMINAL
HEAD DIAMETER0.183 INCHES NOMINAL
HEAD HEIGHT0.112 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD LENGTH0.135 INCHES MINIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
WIDTH ACROSS FLATS0.078 INCHES NOMINAL


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