NSN 5305-01-204-4201

Part Details | CLOSE TOLERANCE SCREW

5305-01-204-4201 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: HT4068519A, HT4068-5-19A, HT4068519A, HT4068-5-19A, 3M9265L19, 3M926-5L19, 3M9265L19, 3M926-5L19, 3M9265L19, 3M926-5L19, HT4068519A, HT4068-5-19A, 3M9265L19, 3M926-5L19, HT4068519A, HT4068-5-19A, HT4068519A, HT4068-5-19A, HT4068519A, HT4068-5-19A, 118835L19, 11883-5L19, HT4068519A, HT4068-5-19A, HT4068519A, HT4068-5-19A, HT4068519A, HT4068-5-19A, HT4068519A, HT4068-5-19A, HT4068519A, HT4068-5-19A, 3M9265L19, 3M926-5L19, WC4068519, WC4068-5-19, 5305-01-204-4201, 01-204-4201, 5305012044201, 012044201

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 26, 198501-204-420129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-204-4201
Part Number Cage Code Manufacturer
HT4068-5-19A92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4068-5-19A06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
3M926-5L1976301BOEING COMPANY, THEDBA BOEING
3M926-5L1958998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
3M926-5L190ZC92HEARTLAND PRECISION FASTENERS, INC.
HT4068-5-19A73197HI-SHEAR CORPORATION
3M926-5L191VSL7HOUSTON PRECISION FASTENERS I, LP
HT4068-5-19A17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4068-5-19A97928HUCK INTL INC
HT4068-5-19AL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11883-5L1959563REID PRODUCTS INC.DBA REID PRODUCTS
HT4068-5-19AK5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4068-5-19A56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4068-5-19A80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
HT4068-5-19A06725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
HT4068-5-19A27624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
3M926-5L1906710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
WC4068-5-1960516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-204-4201
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM
FASTENER LENGTH1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.429 INCHES MINIMUM AND 0.477 INCHES MAXIMUM
COUNTERSINK ANGLE101.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM
GRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM