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National Stock Number:
5305-01-149-1936
Federal Supply Class:
5305
National Item Identification Number:
011491936
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:
| 343178 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 343178 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNRC | | THREAD LENGTH | 1.080 INCHES MINIMUM AND | | 1.480 INCHES MAXIMUM | | FASTENER LENGTH | 2.080 INCHES MINIMUM AND | | 2.120 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1013 OR | | STEEL COMP 1015 OR | | STEEL COMP 1016 OR | | STEEL COMP 1017 OR | | STEEL COMP 1018 OR | | STEEL COMP 1019 OR | | STEEL COMP 1020 OR | | STEEL COMP 1021 OR | | STEEL COMP 1022 OR | | STEEL COMP 1023 OR | | STEEL COMP 1524 OR | | STEEL COMP 1025 OR | | STEEL COMP 1026 OR | | STEEL COMP 1527 OR | | STEEL COMP 1029 OR | | STEEL COMP 1030 OR | | STEEL COMP 1033 OR | | STEEL COMP 1034 OR | | STEEL COMP 1035 OR | | STEEL COMP 1536 OR | | STEEL COMP 1037 OR | | STEEL COMP 1038 OR | | STEEL COMP 1039 OR | | STEEL COMP 1040 OR | | STEEL COMP 1541 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD QUANTITY PER INCH | 14 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | GM 300-M FSCM 11862 MFR REF ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM 4435-M CODE A FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.272 INCHES MINIMUM AND | | 0.291 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND | | 0.625 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 7X677 | | DESIGN CONTROL REFERENCE | 343178 |
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