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National Stock Number:
5305-12-170-4221
Federal Supply Class:
5305
National Item Identification Number:
121704221
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 4039900210 | D8046 | DAIMLER AG | | 51.90020-0181 | D3273 | MAN TRUCK & BUS AG | | 51900200181 | D3273 | MAN TRUCK & BUS AG |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 1.5 MILLIMETERS NOMINAL | | EXTENDED WASHER DIAMETER | 14.0 MILLIMETERS NOMINAL | | EXTERNAL THREAD TOLERANCE CLASS | 6 KLEIN G | | FASTENER LENGTH | 38.0 MILLIMETERS NOMINAL | | HARDNESS RATING | 280.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 300.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL | | HEAD HEIGHT | 7.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN ISO898TEIL1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 10.0 MILLIMETERS NOMINAL | | STRENGTH GRADE DESIGNATION | 10.9 | | THREAD DIRECTION | RIGHT-HAND | | THREAD FORMING METHOD | ROLLED | | THREAD LENGTH | 23.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 1.2 |
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