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National Stock Number:
5305-01-337-7454
Federal Supply Class:
5305
National Item Identification Number:
013377454
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:
| BACB12GU3R8D | 81205 | THE BOEING COMPANY | | BACB12GU3R8D | 97928 | HUCK INTL INC | | BACS12GU3R8D | 06725 | SPS TECHNOLOGIES, LLC | | BACS12GU3R8D | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACS12GU3R8D | 17446 | HUCK INTERNATIONAL, INC | | BACS12GU3R8D | 27624 | SPS TECHNOLOGIES LLC | | BACS12GU3R8D | 80539 | SPS TECHNOLOGIES, LLC | | BACS12GU3R8D | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.484 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM | | HEAD HOLE CONFIGURATION STYLE | HEXAGON CORNERS | | HEAD STYLE | HEXAGON | | HOLE DIAMETER | 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM | | HOLE QUANTITY | 3 | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | 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 | PHOSPHATE | | WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.406 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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