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National Stock Number:
5305-00-390-0685
Federal Supply Class:
5305
National Item Identification Number:
003900685
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:
| 66584-3-15 | 50392 | SPS TECHNOLOGIES INC | | 66584-3-15 | 56878 | SPS TECHNOLOGIES, LLC | | GB510CH3V15 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BM19024-3-15 | 17446 | HUCK INTERNATIONAL, INC | | 66584-3-15 | 80539 | SPS TECHNOLOGIES, LLC | | BM19024-3-15 | 97928 | HUCK INTL INC | | HT8100-3-15 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | GB510F3-15 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | GB510CH3V15 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | GB510CH3V15 | 27624 | SPS TECHNOLOGIES LLC | | GB510CH3V15 | 73197 | HI-SHEAR CORPORATION | | HT260LB3-15 | 73197 | HI-SHEAR CORPORATION | | GB510CH3V15 | 80539 | SPS TECHNOLOGIES, LLC | | GB510CH3V15 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | T150-3-15 | 17446 | HUCK INTERNATIONAL, INC | | HT8100-3-15 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | T150-3-15 | 97928 | HUCK INTL INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.261 INCHES MINIMUM AND 1.291 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.928 INCHES MINIMUM AND 0.948 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 | NAS 621,6AL-4V ASSN STD 1ST MATERIAL RESPONSE OR AMS 4928 ASSN STD 2ND MATERIAL RESPONSE 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 | | SURFACE FINISH | 63.0 MICROINCHES THREADS | | THREAD CLASS | 3A | | THREAD LENGTH | 0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 32 |
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