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National Stock Number:
5305-01-458-7585
Federal Supply Class:
5305
National Item Identification Number:
014587585
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:
| 03A174-8-14A | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. | | 03A174-8-14A | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | 03A174-8-14A | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 123743-8-14A | 80539 | SPS TECHNOLOGIES, LLC | | AIC1652-8-14A | 06725 | SPS TECHNOLOGIES, LLC | | HR240-8-14A | 73197 | HI-SHEAR CORPORATION | | HR240-8-14A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | PBF1417-8-14A | 27624 | SPS TECHNOLOGIES LLC | | SC3102-8-14A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | SC3102-8-14A | 0PTK6 | SPS TECHNOLOGIES INC | | SLB146-8-14A | 16258 | SPACE-LOK, INC. | | T009-8-14A | 17446 | HUCK INTERNATIONAL, INC | | T009-8-14A | 97928 | HUCK INTL INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.610 INCHES MINIMUM AND 1.625 INCHES MAXIMUM | | GRIP DIAMETER | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM | | GRIP LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM | | HEAD DIAMETER | 0.959 INCHES MINIMUM AND 1.017 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SURFACE FINISH | 32.0 MICROINCHES OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.725 INCHES MINIMUM AND 0.745 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNJF |
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