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National Stock Number:
5305-01-477-5616
Federal Supply Class:
5305
National Item Identification Number:
014775616
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:
| 110179-6-15AS | 80539 | SPS TECHNOLOGIES, LLC | | 110179-6-15AS | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT8137-6-15AS | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BM33024V6-15U | 17446 | HUCK INTERNATIONAL, INC | | HT271A6-15 | 73197 | HI-SHEAR CORPORATION | | HT271A6-15 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M430V6-15AS | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC8137-6-15A | 60516 | WEST COAST AEROSPACE, INC. | | ST3M430V6-15AS | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AGAV | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | GRIP LENGTH | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM | | HEAD HEIGHT | 0.115 INCHES MINIMUM AND 0.117 INCHES MAXIMUM | | HEAD DIAMETER | 0.756 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | NAS621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY UNS R54520 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.641 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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