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National Stock Number:
5305-12-319-4713
Federal Supply Class:
5305
National Item Identification Number:
123194713
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:
| 8344603-00 ITEM | D2049 | ANDRITZ HYDRO GMBH | | 8344603-00ITEM8 | D2049 | ANDRITZ HYDRO GMBH | | 8344603-08 | D2049 | ANDRITZ HYDRO GMBH | | 8344649-02 | D2049 | ANDRITZ HYDRO GMBH |
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Techincal Specification:
| FASTENER LENGTH | 220.0 MILLIMETERS NOMINAL | | GRIP DIAMETER | 58.0 MILLIMETERS MINIMUM | | GRIP LENGTH | 145.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 40.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | NOMINAL THREAD DIAMETER | 2.125 INCHES | | SPECIAL FEATURES | WITH ADAPTOR END,SHOULDERED CONE 1.96,SPLINT PIN HOLE WHEN ASSEMBLING BORED | | WIDTH BETWEEN FLATS | 79.4 MILLIMETERS NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 38.0 MILLIMETERS NOMINAL |
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