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National Stock Number:
5305-01-522-0080
Federal Supply Class:
5305
National Item Identification Number:
015220080
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:
| BACB30NT3K14 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30NT3K14 | 17446 | HUCK INTERNATIONAL, INC | | BACB30NT3K14 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30NT3K14 | 27624 | SPS TECHNOLOGIES LLC | | BACB30NT3K14 | 73197 | HI-SHEAR CORPORATION | | BACB30NT3K14 | 80539 | SPS TECHNOLOGIES, LLC | | BACB30NT3K14 | 81205 | THE BOEING COMPANY | | BACB30NT3K14 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | BACB30NT3K14 | Z03F0 | BOEING DEFENCE AUSTRALIA LTD | | BACB30NT3K14 | Z8T75 | BOEING DEFENCE AUSTRALIA LTD |
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Techincal Specification:
| FASTENER LENGTH | 1.205 INCHES MINIMUM AND 1.235 INCHES MAXIMUM | | GRIP LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM | | GRIP DIAMETER | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM | | HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT | ALUMINUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.345 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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