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NAS 725 Rev. 4

$27.00

Screws, Miniature
Data Sheet by Aerospace Industries Association – National Aerospace Standard, 03/31/2015

Format: PDF

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    Description

    This specification establishes the requirements for externally threaded fasteners of diameters from .30 UNM (.0118 in.) to 1.40 UNM (.0551 in.) inclusive, which fall within the classification of Miniature Screws and which are designed to be assembled with tapped holes or nuts and driven by means of a jewler’s type screwdriver. There is only one class of thread established: this is with zero allowance on all diameters. All tolerances governing limits of size are based on functions of the pitch only and apply to lengths of engagement from two-thirds to one and one-half times the nominal diameter.

    Product Details

    Edition:
    Rev. 4
    Published:
    03/31/2015
    Number of Pages:
    4
    Note:
    This product is unavailable in Belarus, Russia, Ukraine