5305-01-523-4311 SCREW,MACHINE Index 5306-01-523-4313 BOLT,MACHINE

National Stock Number:
5305-01-523-4312

Federal Supply Class:
5305

National Item Identification Number:
015234312

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:
B1867EC05050080204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH50.0 MILLIMETERS NOMINAL
HEAD DIAMETER9.1 MILLIMETERS MINIMUM AND 9.5 MILLIMETERS MAXIMUM
HEAD HEIGHT3.4 MILLIMETERS MINIMUM AND 3.7 MILLIMETERS MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER5.0 MILLIMETERS
SCREW MATERIALSTEEL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH38.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.8


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