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National Stock Number:
5305-00-151-8668
Federal Supply Class:
5305
National Item Identification Number:
001518668
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:
| 66584-3-7 | 56878 | SPS TECHNOLOGIES, LLC | | 66584-3-7 | 80539 | SPS TECHNOLOGIES, LLC | | BM19024-3-7 | 17446 | HUCK INTERNATIONAL, INC | | BM19024-3-7 | 97928 | HUCK INTL INC | | GB510CH3V7LE | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | GB510CH3V7LE | 27624 | SPS TECHNOLOGIES LLC | | GB510CH3V7LE | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | GB510CH3V7LF | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | GB510F3-7 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | HT260LB3-7 | 73197 | HI-SHEAR CORPORATION | | HT260LB3-7 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT8100-3-7 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT8100-3-7 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | T150-3-7 | 17446 | HUCK INTERNATIONAL, INC | | T150-3-7 | 97928 | HUCK INTL INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.861 INCHES MINIMUM AND 0.891 INCHES MAXIMUM | | GRIP LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | HEAD DIAMETER | 0.325 INCHES MINIMUM AND 0.387 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | NAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | 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 | | SPECIFICATION/STANDARD DATA | 26512-GB510F MANUFACTURERS STANDARD | | SURFACE FINISH | 63.0 MICROINCHES GRIP | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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