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National Stock Number:
5305-00-889-3088
Federal Supply Class:
5305
National Item Identification Number:
008893088
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:
| NAS1143C10 | 04348 | LAWRENCE ENGINEERING AND SUPPLY INC | | NAS1143C10 | 07851 | NOR-CAL SUPPLY CO | | NAS1143C10 | 08938 | AIR INDUSTRIES CO INC | | NAS1143C10 | 17446 | HUCK INTERNATIONAL, INC | | NAS1143C10 | 30902 | F AND C SALES INC | | NAS1143C10 | 50568 | APCOM INC | | NAS1143C10 | 53606 | PLASTIC AND METAL PRODUCTS CORPORATION | | NAS1143C10 | 56878 | SPS TECHNOLOGIES, LLC | | NAS1143C10 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | NAS1143C10 | 73197 | HI-SHEAR CORPORATION | | NAS1143C10 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NAS1143C10 | 80539 | SPS TECHNOLOGIES, LLC | | NAS1143C10 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | NAS1143C10 | 97928 | HUCK INTL INC | | NAS1143C10 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| 32.0 MICROINCHES THREADS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP | | NOMINAL THREAD DIAMETER | 0.192 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.276 INCHES MINIMUM | | FASTENER LENGTH | 0.886 INCHES MINIMUM AND | | 0.916 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH | | HEAD STYLE | PAN | | HEAD DIAMETER | 0.361 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | HEAD HEIGHT | 0.103 INCHES MINIMUM AND | | 0.118 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | GRIP LENGTH | 0.625 INCHES NOMINAL | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND | | 0.1895 INCHES MAXIMUM |
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