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National Stock Number:
5305-14-473-3655
Federal Supply Class:
5305
National Item Identification Number:
144733655
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:
| 365A11-5088-21 | F0210 | AIRBUS HELICOPTERS (ETS DEMARIGNANE) |
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Techincal Specification:
| INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 35NC6 OVERALL | | POINT STYLE | FLAT | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | WIDTH ACROSS FLATS | 6.0 MILLIMETERS NOMINAL | | SURFACE TREATMENT | 80D07 SVT STANDARD HELICOPTERE. OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD FORMING METHOD | ROLLED | | THREAD LENGTH | 22.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 1.5 | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.5 MILLIMETERS NOMINAL FIRST HOLE | | EXTERNAL THREAD TOLERANCE CLASS | 5H4H | | FASTENER LENGTH | 49.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEADLESS (SETSCREW) | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 1.5 MILLIMETERS NOMINAL | | HOLE QUANTITY | 2 | | HOLE TYPE | DRILLED |
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