5305-01-434-0072 SCREW,SHOULDER Index 5306-01-434-0074 BOLT,MACHINE

National Stock Number:
5305-01-434-0073

Federal Supply Class:
5305

National Item Identification Number:
014340073

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:
20097-4C-64D56878SPS TECHNOLOGIES, LLC
84000779-01481873WOODWARD HRT INC


Techincal Specification:
FASTENER LENGTH3.940 INCHES MINIMUM AND 4.000 INCHES MAXIMUM
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLEKNURLED NO. 5
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL UNS K03104 OVERALL
MINIMUM YIELD STRENGTH170000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH190000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNRC
WIDTH ACROSS FLATS0.188 INCHES NOMINAL


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