NSN 5305-01-241-6320

Part Details | CLOSE TOLERANCE SCREW

5305-01-241-6320 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: HT4068419A, HT4068-4-19A, HT4068419A, HT-4068-4-19A, 3M9264L19, 3M926-4L-19, 3M9264L19, 3M926-4L19, HT4068419A, HT-4068-4-19A, HT4068419A, HT4068-4-19A, HT406819A, HT-4068-19A, HT4068419A, HT-4068-4-19A, 118834L19, 11883-4L-19, HT4068419A, HT4068-4-19A, HT4068419A, HT-4068-4-19A, HT4068419A, HT4068-4-19A, 3M9264L19, 3M926-4L19, WC4068419, WC4068-4-19, 5305-01-241-6320, 01-241-6320, 5305012416320, 012416320

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 30, 198601-241-632029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-241-6320
Part Number Cage Code Manufacturer
HT4068-4-19A06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT-4068-4-19A92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
3M926-4L-1976301BOEING COMPANY, THEDBA BOEING
3M926-4L1958998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HT-4068-4-19A73197HI-SHEAR CORPORATION
HT4068-4-19A17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT-4068-19A97928HUCK INTL INC
HT-4068-4-19AL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11883-4L-1959563REID PRODUCTS INC.DBA REID PRODUCTS
HT4068-4-19AK5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT-4068-4-19A56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4068-4-19A80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
3M926-4L19007R1TWIST TITE MFG, INC
WC4068-4-1960516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-241-6320
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
FASTENER LENGTH1.642 INCHES MINIMUM AND 1.672 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLE5 HEXAGON COUNTERSUNK
HEAD DIAMETER0.389 INCHES MINIMUM AND 0.394 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM