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National Stock Number:
5305-00-960-8521
Federal Supply Class:
5305
National Item Identification Number:
009608521
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:
| 113591-2 | 99657 | MAROTTA CONTROLS INC | | 133591-0002 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNF | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.050 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM | | HEAD DIAMETER | 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM | | HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.138 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON | | HOLE DIAMETER | 0.047 INCHES NOMINAL | | HOLE QUANTITY | 2 | | HOLE TYPE | DRILLED | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 303CU OVERALL OR STEEL COMP 303MA OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 304L OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | WIDTH ACROSS FLATS | 0.109 INCHES NOMINAL | | THREAD LENGTH | 0.200 INCHES MINIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND |
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