5305-00-637-6845 SCREW,CAP,SOCKET HEAD Index 5305-00-637-6847 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-637-6846

Federal Supply Class:
5305

National Item Identification Number:
006376846

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:
734908PC9010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
FASTENER LENGTH3.250 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.987 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HEAD HEIGHT0.741 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 4145 OR STEEL COMP 8740 OR STEEL COMP 8640 OVERALL
MINIMUM YIELD STRENGTH140000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.750 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 STYLE
WIDTH ACROSS FLATS0.562 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.000 INCHES NOMINAL
THREAD QUANTITY PER INCH10
THREAD SERIES DESIGNATORUNC


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