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National Stock Number:
5305-01-564-5264
Federal Supply Class:
5305
National Item Identification Number:
015645264
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:
| 10018499 | 61C19 | MIL-COTS CORPORATION | | 12759-00801 | 0Y3H3 | FASTENAL COMPANY | | 15057 | 0Y3H3 | FASTENAL COMPANY | | 3011182 | 1EFH8 | GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. | | AES01C312A25WA6DG1 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | S000015 | 1EFH8 | GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. |
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Techincal Specification:
| COLOR | YELLOW OVERALL | | FASTENER LENGTH | 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | 5/16-18X1 1/4 INCHES GRADE 8 YELLOW ZINC HEX CAP SCREW | | PROPRIETARY CHARACTERISTICS | NPAC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIAL FEATURES | MATERIAL STEEL GRADE 8 | | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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