5998-01-379-7939 CIRCUIT CARD ASSEMBLY Index 5999-01-379-7941 HEAT SINK,ELECTRICAL-ELECTRONIC

National Stock Number:
5305-01-379-7940

Federal Supply Class:
5305

National Item Identification Number:
013797940

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.


Manufacturer Information:
123545V4-980539SPS TECHNOLOGIES, LLC
4080-70016V4-914170HUGHES MISSILE SYSTEMS CO SAN DIEGO
AIC3339V4-906725SPS TECHNOLOGIES, LLC
4080-70016V4-915090RAYTHEON COMPANY
M963V4-917446HUCK INTERNATIONAL, INC
M963V4-997928HUCK INTL INC
SC1797V4-906950HOWMET GLOBAL FASTENING SYSTEMS INC
SC1797V4-992215HOWMET GLOBAL FASTENING SYSTEMS INC


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