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National Stock Number:
5305-00-927-1989
Federal Supply Class:
5305
National Item Identification Number:
009271989
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:
| 10408180 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 5305PL1641115 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | AIC1652-3-12 | 06725 | SPS TECHNOLOGIES, LLC | | SC3102-3-12 | 0PTK6 | SPS TECHNOLOGIES INC | | SLB146-3-12 | 16258 | SPACE-LOK, INC. | | NAS1153V13 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | T009-3-12 | 17446 | HUCK INTERNATIONAL, INC | | T009-3-12 | 97928 | HUCK INTL INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.276 INCHES MINIMUM | | FASTENER LENGTH | 1.073 INCHES MINIMUM AND | | 1.103 INCHES MAXIMUM | | MATERIAL | TITANIUM ALLOY UNS R54520 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | NAS 621,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.328 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | GRIP LENGTH | 0.812 INCHES NOMINAL | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND | | 0.1895 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | SPECIFICATION/STANDARD DATA | 80205-NAS1153 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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