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National Stock Number:
5305-01-610-5953
Federal Supply Class:
5305
National Item Identification Number:
016105953
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:
| 0137358 | 0Y3H3 | FASTENAL COMPANY | | 106A0493 | 2X262 | MIL-MAR CENTURY CORPORATION | | 106A0493-5 | 2X262 | MIL-MAR CENTURY CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 1.905 INCHES MINIMUM AND 1.961 INCHES MAXIMUM | | HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | GRADE 5 STEEL PER SAE J429 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT-COATED/5/16-18X1-3/4 HEX HD CAP SCREW,PLAIN | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ELISHA PROCESS COATING 0251,A MINERAL BASED COATING MFR REF SINGLE TREATMENT RESPONSE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.71 INCHES MINIMUM AND 1.75 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM |
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