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National Stock Number:
5305-01-581-1917
Federal Supply Class:
5305
National Item Identification Number:
015811917
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:
| BACS12GU3K30 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 1.8595 INCHES MINIMUM AND 1.9065 INCHES MAXIMUM | | HEAD HEIGHT | 0.167 INCHES MINIMUM AND 0.190 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, HEX HEAD WITH CROSS RECESS, TITANIUM | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | TITANIUM ALLOY UNS R56400 | | SCREW SURFACE TREATMENT | ALUMINUM | | SPECIAL FEATURES | 10-32 X 1-7/8" HEX HEAD MACHINE SCREW | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.8435 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJC | | WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM |
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