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National Stock Number:
5305-12-167-1906
Federal Supply Class:
5305
National Item Identification Number:
121671906
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:
| 15010195 | Z8518 | BAE SYSTEMS AUSTRALIA LIMITED | | 4039900010 | D8046 | DAIMLER AG | | 51900200131 | D3273 | MAN TRUCK & BUS AG |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 11,0 MILLIMETERS NOMINAL | | EXTENDED WASHER DIAMETER | 32,0 MILLIMETERS NOMINAL | | EXTENDED WASHER THICKNESS | 3,5 MILLIMETERS NOMINAL | | EXTERNAL THREAD TOLERANCE CLASS | 6 KLEIN G | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 31,0 MILLIMETERS NOMINAL | | FIRST DIAMETER FROM HEAD | 16,99 MILLIMETERS NOMINAL | | HARDNESS RATING | 280 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 370 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL | | HEAD HEIGHT | 16,0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN ISO898TEIL1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | III PURCHASE DESCRIPTION IDENTIFICATION | D8046-4039900010 | | MINIMUM TENSILE STRENGTH | 1000 NEWTONS PER SQUARE MILLIMETER | | NOMINAL THREAD DIAMETER | 18,0 MILLIMETERS | | WIDTH BETWEEN FLATS | 24,0 MILLIMETERS NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 20,0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 1,5 |
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