5306-14-428-3929 BOLT,CLOSE TOLERANCE Index 5305-14-428-4133 SCREW,CLOSE TOLERAN

National Stock Number:
5305-14-428-4131

Federal Supply Class:
5305

National Item Identification Number:
144284131

Description:
SCREW,CLOSE TOLERAN

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:
22258TX050006XAF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22258TX050006XAF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
22258TX050006XAF0236SAINT CHAMOND GRANAT SA
22258TX050006XAF0434ALIGN AEROSPACE FRANCE SAS
22258TX050006XAF6760DEMAT SA
22258TX050006XAF7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
38260TX050006XAF6117DASSAULT AVIATION
L22258-50-6TXXAF0111BUREAU NORMALISATION AERONAUTIQUEESPACE


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