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National Stock Number: 5305-01-443-3720
Federal Supply Class: 5305
National Item Identification Number: 014433720
Description: SCREW,EXTERNALLY RELIEVED BODY
Detail: An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.
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Manufacturer Information:
206642-2 | 09004 | TRANSISTOR DEVICES INC | 206642-2 | 0AF43 | TRANSISTOR DEVICES INC FLORIDA DIV | SS-10901-12 | 0GCW4 | GLOBE ELECTRONIC HARDWARE, INC. | SS-10901-12 | 61000 | GLOBE FASTENERS INC |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNC | NOMINAL THREAD DIAMETER | 0.138 INCHES | THREAD QUANTITY PER INCH | 32 | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.219 INCHES NOMINAL | FASTENER LENGTH | 0.589 INCHES MINIMUM AND | | 0.604 INCHES MAXIMUM | MATERIAL | STEEL COMP 203EZ OR | | STEEL COMP 303 OR | | STEEL COMP 303MA OR | | STEEL COMP 303 PLUS X OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | HEAD STYLE | FLAT FILLISTER | HEAD DIAMETER | 0.281 INCHES NOMINAL | HEAD HEIGHT | 0.047 INCHES NOMINAL | INTERNAL DRIVE STYLE | SLOT | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | FIRST DIAMETER FROM HEAD | 0.090 INCHES MINIMUM AND | | 0.095 INCHES MAXIMUM | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.370 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM |
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