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National Stock Number:
5305-01-274-4404
Federal Supply Class:
5305
National Item Identification Number:
012744404
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:
| 3902116 | 15434 | CUMMINS INC. | | 3902116 | ZC672 | CUMMINS SOUTH PACIFIC PTY LTDHEAD OFFICE |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 26.6 MILLIMETERS MAXIMUM | | EXTENDED WASHER THICKNESS | 1.8 MILLIMETERS MINIMUM | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 49.2 MILLIMETERS MINIMUM AND 50.8 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 11.5 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J1199 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR SAE J1199 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR IS0 898-1 NATIONAL SPEC 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL PROPERTY CLASS 9.8 OVERALL AND STEEL PROPERTY CLASS 10.9 OVERALL OR STEEL PROPERTY CLASS 8.8 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 14.60 MILLIMETERS MINIMUM AND 15.00 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 74.013 CAGEC 15434 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 30.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.75 |
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