5305-01-531-1229 SCREW,MACHINE Index 6520-01-531-1231 ELEVATOR AND RETRACTOR,DENTAL

National Stock Number:
5305-01-531-1230

Federal Supply Class:
5305

National Item Identification Number:
015311230

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:
1/2X2.1/4 ANSI B18.32.180204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
NOMINAL THREAD DIAMETER0.500 INCHES
SPECIAL FEATURESFOR MINI MINE CLEANING SYSTEM
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.250 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC


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