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National Stock Number:
5305-01-477-5614
Federal Supply Class:
5305
National Item Identification Number:
014775614
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:
| 11827D6-26A | 59563 | REID PRODUCTS INC. | | 3M1169D6-26A | 76301 | THE BOEING COMPANY | | TX1026D6-26A | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | TX1026D6-26A | 06725 | SPS TECHNOLOGIES, LLC | | TX1026D6-26A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026D6-26A | 27624 | SPS TECHNOLOGIES LLC | | TX1026D6-26A | 56878 | SPS TECHNOLOGIES, LLC | | TX1026D6-26A | 73197 | HI-SHEAR CORPORATION | | TX1026D6-26A | 80539 | SPS TECHNOLOGIES, LLC | | TX1026D6-26A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH |
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Techincal Specification:
| FASTENER LENGTH | 2.188 INCHES MINIMUM AND 2.218 INCHES MAXIMUM | | GRIP DIAMETER | 0.374 INCHES NOMINAL | | GRIP LENGTH | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM | | HEAD DIAMETER | 0.749 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | POINT STYLE | FLAT | | POINT DIAMETER | 0.578 INCHES NOMINAL | | SPLINE MAJOR DIAMETER | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.573 INCHES MINIMUM AND 0.583 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 |
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