NSN 5305-00-292-5487

Part Details | CLOSE TOLERANCE SCREW

5305-00-292-5487 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: HT410A425, HT410A4-25, HT410A425, HT410A4-25, 3M54425, 3M54-4-25, HT42UA25, 54268425, 54268-4-25, 5305-00-292-5487, 00-292-5487, 5305002925487, 002925487

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 19, 197300-292-548729294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-292-5487
Part Number Cage Code Manufacturer
HT410A4-2592215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT410A4-2506950ARCONIC GLOBAL FASTENERS & RINGS,INC.
3M54-4-2576301BOEING COMPANY, THEDBA BOEING
HT42UA2573197HI-SHEAR CORPORATION
54268-4-2550394SPS TECHNOLOGIES INC UNBRAKO DIV
Technical Data | NSN 5305-00-292-5487
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
FASTENER LENGTH2.015 INCHES MINIMUM AND 2.062 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM
HEAD HEIGHT0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM
GRIP DIAMETER0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM
SPECIAL FEATURESFURNISHED WITH O RING