NSN 5305-01-387-6540

Part Details | CLOSE TOLERANCE SCREW

5305-01-387-6540 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.

Alternate Parts: ST3M430V67D, ST3M430V6-7D, HT27167, HT271-6-7, HT27167, HT271-6-7, 5305-01-387-6540, 01-387-6540, 5305013876540, 013876540

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 09, 199401-387-654029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5305-01-387-6540
Part Number Cage Code Manufacturer
ST3M430V6-7D76301BOEING COMPANY, THEDBA BOEING
HT271-6-773197HI-SHEAR CORPORATION
HT271-6-7L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
Technical Data | NSN 5305-01-387-6540
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM
GRIP LENGTH0.437 INCHES NOMINAL