NSN 5305-00-357-1866

Part Details | CLOSE TOLERANCE SCREW

5305-00-357-1866 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: HT4028L414, HT4028L4-14, HT4028L414, HT4028L4-14, ST3M466V4L141, ST3M466V4L14-1, ST3M466V4L141, ST3M466V4L14-1, HT4028L414, HT4028L4-14, HT4028L414, HT4028L4-14, HT4028L414, HT4028L4-14, HT4028L414, HT4028L4-14, 11909V4L141, 11909V4L14-1, HT4028L414, HT4028L4-14, ST3M466V4L141, ST3M466V4L14-1, HT4028L414, HT4028L4-14, HT4028L414, HT4028L4-14, 5305-00-357-1866, 00-357-1866, 5305003571866, 003571866

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 08, 197400-357-186629294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-357-1866
Part Number Cage Code Manufacturer
HT4028L4-1492215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4028L4-1406950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M466V4L14-192215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M466V4L14-176301BOEING COMPANY, THEDBA BOEING
HT4028L4-1473197HI-SHEAR CORPORATION
HT4028L4-1417446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4028L4-1497928HUCK INTL INC
HT4028L4-14L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11909V4L14-159563REID PRODUCTS INC.DBA REID PRODUCTS
HT4028L4-140PTK6SPS TECHNOLOGIES INC
ST3M466V4L14-1K5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4028L4-1456878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4028L4-1480539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-00-357-1866
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
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 LENGTH1.329 INCHES MINIMUM AND 1.359 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.389 INCHES MINIMUM AND 0.394 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM