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National Stock Number:
5305-00-513-7590
Federal Supply Class:
5305
National Item Identification Number:
005137590
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:
| 3M263-4-28 | 17446 | HUCK INTERNATIONAL, INC | | 3M263-4-28 | 56878 | SPS TECHNOLOGIES, LLC | | 3M263-4-28 | 73197 | HI-SHEAR CORPORATION | | 3M263-4-28 | 76301 | THE BOEING COMPANY | | 3M263-4-28 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M263-4-28 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | 66117H4-28 | 56878 | SPS TECHNOLOGIES, LLC | | 66117H4-28 | 80539 | SPS TECHNOLOGIES, LLC | | HS2623-4Z28 | 17446 | HUCK INTERNATIONAL, INC | | HS2623-4Z28 | 97928 | HUCK INTL INC | | HT195-4-28 | 73197 | HI-SHEAR CORPORATION | | HT195-4-28 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | HT195-4-28 | R1120 | SATAIR A/S | | HT8115-4-28 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT8115-4-28 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 2.137 INCHES MINIMUM AND 2.157 INCHES MAXIMUM | | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MINIMUM TENSILE STRENGTH | 6980 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MAC PS13145,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | CADMIUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.397 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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