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National Stock Number:
5305-01-622-5286
Federal Supply Class:
5305
National Item Identification Number:
016225286
Description:
SCREW,MACHINE
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
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Manufacturer Information:
| BACS12HN5-12 | 06725 | SPS TECHNOLOGIES, LLC | | BACS12HN5-12 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACS12HN5-12 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | BACS12HN5-12 | 1ER65 | 3-V FASTENER CO., INC. | | BACS12HN5-12 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACS12HN5-12 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| BEARING SURFACE OF HEAD SURFACE FINISH | 63.0 MICROINCHES | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,HEX HEAD WITH CROSS RECESS,A286 CRES,160 KSI | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 9260 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | A-286 CRES IAW AMS5737 NATIONAL SPEC SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | IRON ALLOY 660 | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE | | SHANK SURFACE FINISH | 32.0 MICROINCHES | | SPECIFICATION/STANDARD DATA | 81205-BACS12HN MANUFACTURERS STANDARD | | WIDTH BETWEEN FLATS | 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.687 INCHES MINIMUM AND 0.718 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SURFACE FINISH | 32.0 MICROINCHES | | THREAD SERIES DESIGNATOR | UNJF |
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