NSN 5305-00-184-9451

Part Details | CLOSE TOLERANCE SCREW

5305-00-184-9451 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: LM30731, LM307-31, 5305-00-184-9451, 00-184-9451, 5305001849451, 001849451

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 02, 197300-184-945129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-00-184-9451
Part Number Cage Code Manufacturer
LM307-3176005LORD CORPORATIONDBA AEROSPACE DIVISION
Technical Data | NSN 5305-00-184-9451
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.243 INCHES MINIMUM AND 0.263 INCHES MAXIMUM
FASTENER LENGTH2.595 INCHES MINIMUM AND 2.605 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.1572 INCHES MINIMUM AND 0.1592 INCHES MAXIMUM
GRIP LENGTH2.295 INCHES MINIMUM AND 2.305 INCHES MAXIMUM
GRIP DIAMETER0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM