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National Stock Number:
5305-01-313-5130
Federal Supply Class:
5305
National Item Identification Number:
013135130
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:
| 29CM1220 | 89749 | CLARK MATERIAL HANDLING COMPANY | | 29CM1220H | 12603 | CLARK EQUIPMENT CO | | 29CM1220H | 77237 | DANA OFF HIGHWAY PRODUCTS, LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | M | | THREAD LENGTH | 17.4 MILLIMETERS MINIMUM AND | | 18.2 MILLIMETERS MAXIMUM | | FASTENER LENGTH | 19.6 MILLIMETERS MINIMUM AND | | 20.4 MILLIMETERS MAXIMUM | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | THREAD PITCH IN MILLIMETERS | 1.75 | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | SURFACE TREATMENT | PHOSPHATE ZINC OVERALL | | HARDNESS RATING | 20.0 ROCKWELL C MINIMUM AND | | 30.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 800 MEGAPASCALS | | HEAD HEIGHT | 11.90 MILLIMETERS MAXIMUM | | WIDTH BETWEEN FLATS | 14.57 MILLIMETERS MINIMUM AND | | 15.00 MILLIMETERS MAXIMUM | | EXTENDED WASHER DIAMETER | 24.70 MILLIMETERS MAXIMUM | | EXTENDED WASHER THICKNESS | 1.80 MILLIMETERS MINIMUM |
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