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National Stock Number:
5305-01-126-5264
Federal Supply Class:
5305
National Item Identification Number:
011265264
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:
| 10115142 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | HT4049-6D14 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4049-6D14 | 17446 | HUCK INTERNATIONAL, INC | | HT4049-6D14 | 56878 | SPS TECHNOLOGIES, LLC | | HT4049-6D14 | 73197 | HI-SHEAR CORPORATION | | HT4049-6D14 | 80539 | SPS TECHNOLOGIES, LLC | | ST3M714-6D14 | 0PTK6 | SPS TECHNOLOGIES INC | | ST3M714-6D14 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M714-6D14 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M714-6D14 | 76301 | THE BOEING COMPANY | | HT4049-6D14 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4049-6D14 | 97928 | HUCK INTL INC | | ST3M714-6D14 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4049-6D14 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.128 INCHES MINIMUM AND 1.168 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 1.251 INCHES MINIMUM AND 1.281 INCHES MAXIMUM | | GRIP LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM | | GRIP DIAMETER | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM | | HEAD DIAMETER | 0.752 INCHES MINIMUM AND 0.762 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.366 INCHES MINIMUM AND 0.416 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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