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National Stock Number:
5305-00-143-9689
Federal Supply Class:
5305
National Item Identification Number:
001439689
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:
| NAS1146-12 | 04348 | LAWRENCE ENGINEERING AND SUPPLY INC | | NAS1146-12 | 07851 | NOR-CAL SUPPLY CO | | NAS1146-12 | 08938 | AIR INDUSTRIES CO INC | | NAS1146-12 | 17446 | HUCK INTERNATIONAL, INC | | NAS1146-12 | 30902 | F AND C SALES INC | | NAS1146-12 | 50568 | APCOM INC | | NAS1146-12 | 53606 | PLASTIC AND METAL PRODUCTS CORPORATION | | NAS1146-12 | 56878 | SPS TECHNOLOGIES, LLC | | NAS1146-12 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | NAS1146-12 | 73197 | HI-SHEAR CORPORATION | | NAS1146-12 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NAS1146-12 | 80539 | SPS TECHNOLOGIES, LLC | | NAS1146-12 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | NAS1146-12 | 97928 | HUCK INTL INC | | NAS1146-12 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| GRIP LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
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