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		                        | National Stock Number:
 5305-01-109-2159
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 011092159
 
 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:
 
 | 03-P05685H001 | 1VPW8 | GENERAL DYNAMICS MISSION SYSTEMS, INC. |  | 03-P05685H001 | 94990 | MOTOROLA INC. DBA INTEGRATED INFORMATION SYSTEMS GROUP | 
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 Techincal Specification:
 
 | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.510 INCHES NOMINAL |  | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |  | FASTENER LENGTH | 0.750 INCHES NOMINAL |  | FIRST DIAMETER FROM HEAD | 0.120 INCHES NOMINAL |  | HEAD DIAMETER | 0.365 INCHES NOMINAL |  | HEAD HEIGHT | 0.128 INCHES NOMINAL |  | HEAD STYLE | PAN |  | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE  OR 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL CORROSION RESISTING OVERALL |  | NOMINAL THREAD DIAMETER | 0.190 INCHES |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | THREAD CLASS | 2A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.240 INCHES NOMINAL |  | THREAD QUANTITY PER INCH | 32 |  | THREAD SERIES DESIGNATOR | UNF | 
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