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National Stock Number:
5305-12-358-9684
Federal Supply Class:
5305
National Item Identification Number:
123589684
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:
| DIN609-M16X65-8.8-A3C | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV | | DIN609-M16X65-8.8-AC3 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6 SMALL G | | FASTENER LENGTH | 65.0 MILLIMETERS NOMINAL | | GRIP DIAMETER | 17.0 MILLIMETERS NOMINAL | | GRIP LENGTH | 34.5 MILLIMETERS NOMINAL | | HARDNESS RATING | 250 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 320 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL | | HEAD HEIGHT | 10.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL DOCUMENT AND CLASSIFICATION | ISO898-1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 800 NEWTONS PER SQUARE MILLIMETER | | NOMINAL THREAD DIAMETER | 16.0 MILLIMETERS | | OFFSET YIELD STRENGTH | 640 NEWTONS PER SQUARE MILLIMETER | | PURCHASE DESCRIPTION IDENTIFICATION | D8286-DIN609-M16X65-8.8-A3C | | WIDTH BETWEEN FLATS | 24.0 MILLIMETERS NOMINAL | | STRENGTH GRADE DESIGNATION | 8.8 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DIN ISO4042, KEY A3C ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | TEST DATA DOCUMENT | D8286-DIN609 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 25.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 2.0 |
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