5305-01-024-6268 SCREW,MACHINE Index 5305-01-024-6272 SCREW,MACHINE

National Stock Number:
5305-01-024-6271

Federal Supply Class:
5305

National Item Identification Number:
010246271

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
MS9564-0896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
EXTENDED WASHER DIAMETER0.312 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.030 INCHES MINIMUM
FASTENER LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
HEAD HOLE CONFIGURATION STYLEHEXAGON FLATS
HEAD HEIGHT0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/ HOLE
HOLE DIAMETER0.047 INCHES NOMINAL
HOLE QUANTITY4
INTERNAL DRIVE STYLESLOT
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.164 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIALIRON ALLOY 660
WIDTH BETWEEN FLATS0.219 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.533 INCHES MINIMUM AND 0.573 INCHES MAXIMUM
THREAD QUANTITY PER INCH36
THREAD SERIES DESIGNATORUNJF


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