NSN 5305-01-043-0014

Part Details | CLOSE TOLERANCE SCREW

5305-01-043-0014 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: HT8043518, HT8043-5-18, HT8043518, HT8043-5-18, HT239PB518, HT239PB-5-18, BM19025518, BM19025-5-18, A147518, A147-5-18, BM19025518, BM19025-5-18, A147518, A147-5-18, HT239PB518, HT239PB-5-18, GB510L518, GB510L5-18, 106750518, 106750-5-18, 5305-01-043-0014, 01-043-0014, 5305010430014, 010430014

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 19, 197701-043-001429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-043-0014
Part Number Cage Code Manufacturer
HT8043-5-1892215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT8043-5-1806950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT239PB-5-1873197HI-SHEAR CORPORATION
BM19025-5-1817446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
A147-5-1817446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BM19025-5-1897928HUCK INTL INC
A147-5-1897928HUCK INTL INC
HT239PB-5-18L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
GB510L5-1826512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
106750-5-1880539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-043-0014
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.349 INCHES MINIMUM AND 0.416 INCHES MAXIMUM
FASTENER LENGTH1.484 INCHES MINIMUM AND 1.531 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.469 INCHES MINIMUM AND 0.474 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM
GRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA26512-GB510L PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT