4730-01-449-1981 ELBOW,PIPE Index 5305-01-449-1983 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-449-1982

Federal Supply Class:
5305

National Item Identification Number:
014491982

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:
12412597-05076M6BAE SYSTEMS LAND & ARMAMENTS L.P.
12412597-050FW39BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP
12412597-0519207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12412597-059F476EMANON AIRCRAFT FASTENERS


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.872 INCHES MINIMUM AND 0.937 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
NOMINAL THREAD DIAMETER0.500 INCHES
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM F835 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH13
WIDTH ACROSS FLATS0.312 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 TYPE II CLASS FE/ZA5 FED SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.483 INCHES MINIMUM AND 0.515 INCHES MAXIMUM


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