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National Stock Number:
5305-01-581-1667
Federal Supply Class:
5305
National Item Identification Number:
015811667
Description:
SCREW,MACHINE
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:
| BACS12GU08K9 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.5609 INCHES MINIMUM AND 0.5656 INCHES MAXIMUM | | HEAD HEIGHT | 0.0960 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.1640 INCHES | | SPECIAL FEATURES | 8-32 X 9/16" HEX HEAD MAACHINE SCREW | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, HEX HEAD WITH CROSS RECESS, TITANIUM | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW SURFACE TREATMENT | ALUMINUM | | SCREW MATERIAL | TITANIUM ALLOY UNS R56400 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.4680 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJC | | THREAD QUANTITY PER INCH | 32 | | WIDTH BETWEEN FLATS | 0.2430 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM |
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