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National Stock Number:
5305-00-242-9124
Federal Supply Class:
5305
National Item Identification Number:
002429124
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:
| 123840-5-8 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 3M263-5-8 | 1RG22 | CONTROL SYSTEMS ENGINEERING INC DBA BLOMBUILT | | 3M263-5-8 | 1RGZ2 | T.A.P. TOOL INC. | | 3M263-5-8 | 56540 | ASSOCIATED AIRCRAFT MANUFACTURING & SALES, INC. | | 3M263-5-8 | 56878 | SPS TECHNOLOGIES, LLC | | 3M263-5-8 | 76301 | THE BOEING COMPANY | | 66117H5-8 | 17446 | HUCK INTERNATIONAL, INC | | HS2623-5Z8 | 17446 | HUCK INTERNATIONAL, INC | | 66117H5-8 | 56878 | SPS TECHNOLOGIES, LLC | | 66117H5-8 | 80539 | SPS TECHNOLOGIES, LLC | | 3M263-5-8 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 66117H5-8 | 97928 | HUCK INTL INC | | 642AS1004-5 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 66117H-5-8 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | HT195-5-8 | 73197 | HI-SHEAR CORPORATION | | HS2623-5Z8 | 97928 | HUCK INTL INC | | HT195-5-8 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | HT8115-5-8 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | HT195-5-8 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT195-5-8 | R1120 | SATAIR A/S |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.951 INCHES MINIMUM AND 0.998 INCHES MAXIMUM | | GRIP LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | HEAD DIAMETER | 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-105 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 13145 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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