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National Stock Number:
5305-00-470-9047
Federal Supply Class:
5305
National Item Identification Number:
004709047
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:
| 810723-2 | 80249 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.398 INCHES MINIMUM AND 0.418 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | HEAD HEIGHT | 0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | 66,COMP 18-8 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | WIDTH BETWEEN FLATS | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.176 INCHES MINIMUM AND 0.227 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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