5305-01-329-9725 SCREW,CAP,SOCKET HEAD Index 5305-01-329-9727 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-329-9726

Federal Supply Class:
5305

National Item Identification Number:
013299726

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:
256-5959304-VHBM-9853711NAVAL SEA SYSTEMS COMMAND
5959304-8896169ELECTRIC BOAT CORPORATION
803-5959304-X-8853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH0.875 INCHES NOMINAL
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET OR STRIP OR PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A574 TY 2 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIALPLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIALSTEEL FASTENER
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.500 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENTALUMINUM AND CHROMATE FASTENER
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.721 INCHES NOMINAL
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNRC
WIDTH ACROSS FLATS0.375 INCHES NOMINAL


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