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National Stock Number:
5305-01-044-7114
Federal Supply Class:
5305
National Item Identification Number:
010447114
Description:
SCREW,CLOSE TOLERANCE
Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
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Manufacturer Information:
| 66584-3-13 | 56878 | SPS TECHNOLOGIES, LLC | | 66584-3-13 | 80539 | SPS TECHNOLOGIES, LLC | | BM19024-3-13 | 17446 | HUCK INTERNATIONAL, INC | | GB510F3-13 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | HT260LB-3-13 | 73197 | HI-SHEAR CORPORATION | | BM19024-3-13 | 97928 | HUCK INTL INC | | HT8100-3-13 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | T150-3-13 | 17446 | HUCK INTERNATIONAL, INC | | NAS1580V3H13 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | HT8100-3-13 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | T150-3-13 | 97928 | HUCK INTL INC | | HT260LB-3-13 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.135 INCHES MINIMUM AND 1.165 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | HEAD DIAMETER | 0.325 INCHES MINIMUM AND 0.387 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL | TITANIUM ALLOY UNS R54520 OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SPECIAL FEATURES | DRY FILM LUBRICANT SURFACE TREATMENT | | SPECIFICATION/STANDARD DATA | 26512-GB510F PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | SURFACE FINISH | 63.0 MICROINCHES GRIP | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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