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National Stock Number:
5305-01-129-9061
Federal Supply Class:
5305
National Item Identification Number:
011299061
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:
| 10115222 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11925C7-14A | 59563 | REID PRODUCTS INC. | | HT4020-7-14A | 06725 | SPS TECHNOLOGIES, LLC | | HT4020-7-14A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-7-14A | 27624 | SPS TECHNOLOGIES LLC | | HT4020-7-14A | 56878 | SPS TECHNOLOGIES, LLC | | ST3M652C7-14A | 007R1 | TWIST TITE MFG, INC | | ST3M652C7-14A | 06710 | VALLEY-TODECO, INC. | | ST3M652C7-14A | 0PTK6 | SPS TECHNOLOGIES INC | | HT4020-7-14A | 73197 | HI-SHEAR CORPORATION | | HT4020-7-14A | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-7-14A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-7-14A | 97928 | HUCK INTL INC | | HT4020-7-14A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M652C7-14A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M652C7-14A | 17446 | HUCK INTERNATIONAL, INC | | ST3M652C7-14A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M652C7-14A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M652C7-14A | 59563 | REID PRODUCTS INC. | | ST3M652C7-14A | 60516 | WEST COAST AEROSPACE, INC. | | ST3M652C7-14A | 76301 | THE BOEING COMPANY | | ST3M652C7-14A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.515 INCHES MINIMUM AND 1.562 INCHES MAXIMUM | | GRIP LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM | | GRIP DIAMETER | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM | | HEAD HEIGHT | 0.130 INCHES MINIMUM AND 0.133 INCHES MAXIMUM | | HEAD DIAMETER | 0.881 INCHES MINIMUM AND 0.888 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SPECIAL FEATURES | FURNISHED WITH ONE ORING | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.630 INCHES MINIMUM AND 0.697 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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