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National Stock Number:
5305-01-509-2963
Federal Supply Class:
5305
National Item Identification Number:
015092963
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:
| AIC4040E3-03R | 43999 | THE BOEING COMPANY | | LE111-0038 THRU LE111-0040 | 43999 | THE BOEING COMPANY | | LE111-0038-2303 | 06725 | SPS TECHNOLOGIES, LLC | | LE111-0038-2303 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | LE111-0038-2303 | 27624 | SPS TECHNOLOGIES LLC | | LE111-0038-2303 | 57928 | SONIC INDUSTRIES, INC. | | LE111-0038-2303 | 80539 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | GRIP DIAMETER | 0.187 INCHES NOMINAL | | GRIP LENGTH | 0.526 INCHES NOMINAL | | HEAD HEIGHT | 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 2000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.1900 INCHES | | SPECIAL FEATURES | MATERIAL: A286 CRES PER AMS 5731, AMS 5735 OR AMS 5737; HEAT TREATMENT: 95,000 PSI MINIMUM ULTIMATE SHEAR STRENGTH | | WIDTH BETWEEN FLATS | 2966.0 INCHES MINIMUM AND 3016.0 INCHES MAXIMUM | | SUPPLEMENTARY FEATURES | LUBRICATION: DRY FILM LUBRICANT PER MIL-L-8937 WHEN SPECIFIED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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