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National Stock Number:
5305-00-989-0830
Federal Supply Class:
5305
National Item Identification Number:
009890830
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:
| 186678 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 186678 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC | | 186678 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| FASTENER LENGTH | 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | | HEAD HEIGHT | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | 300M FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 4252-M FSCM 24614 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.791 INCHES MINIMUM AND 0.970 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 14 | | THREAD SERIES DESIGNATOR | UNC |
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