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National Stock Number:
5305-01-564-4296
Federal Supply Class:
5305
National Item Identification Number:
015644296
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:
| BACS12HN4-10 | 06725 | SPS TECHNOLOGIES, LLC | | BACS12HN4-10 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACS12HN4-10 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | BACS12HN4-10 | 1ER65 | 3-V FASTENER CO., INC. | | BACS12HN4-10 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACS12HN4-10 | 81205 | THE BOEING COMPANY | | BACS12HN4-10 | Z03F0 | BOEING DEFENCE AUSTRALIA LTD | | BACS12HN4-10 | Z8T75 | BOEING DEFENCE AUSTRALIA LTD |
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Techincal Specification:
| FASTENER LENGTH | 0.625 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.140 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 | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.2500 INCHES | | SCREW MATERIAL | IRON ALLOY 660 | | SCREW SURFACE TREATMENT | CHROMATE AND CADMIUM | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.562 INCHES MINIMUM AND 0.593 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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