5305-01-226-8729 SCREW,CAP,SOCKET HEAD Index 5305-01-226-8731 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-226-8730

Federal Supply Class:
5305

National Item Identification Number:
012268730

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:
AF0073-01922915NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV
FIT7080-1958988KARG CORP
FT1625-1958794FASTENER TECHNOLOGY CORP
FIT7080-1958998FASTENER INNOVATION TECHNOLOGY, INC.


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.220 INCHES MINIMUM AND
0.312 INCHES MAXIMUM
FASTENER LENGTH0.282 INCHES MINIMUM AND
0.312 INCHES MAXIMUM
MATERIALIRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEBUTTON
HEAD DIAMETER0.250 INCHES MINIMUM AND
0.262 INCHES MAXIMUM
HEAD HEIGHT0.063 INCHES MINIMUM AND
0.073 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.078 INCHES NOMINAL


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