NSN 5305-00-445-8743

Part Details | CLOSE TOLERANCE SCREW

5305-00-445-8743 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: NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, NAS113414, NAS1134-14, 5305-00-445-8743, 00-445-8743, 5305004458743, 004458743

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 08, 197100-445-874329294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-00-445-8743
Part Number Cage Code Manufacturer
NAS1134-1408938AIR INDUSTRIES CO INC
NAS1134-1450568APCOM INC
NAS1134-1492215ARCONIC GLOBAL FASTENERS & RINGS,INC.
NAS1134-1430902F AND C SALES INC
NAS1134-1458998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
NAS1134-1473197HI-SHEAR CORPORATION
NAS1134-1417446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
NAS1134-1497928HUCK INTL INC
NAS1134-1404348LAWRENCE ENGINEERING AND SUPPLY INC
NAS1134-14L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
NAS1134-1480205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
NAS1134-1407851NOR-CAL SUPPLY CO.INC.
NAS1134-1453606PLASTIC AND METAL PRODUCTSCORPORATION
NAS1134-1456878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
NAS1134-1480539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-00-445-8743
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM
FASTENER LENGTH1.176 INCHES MINIMUM AND 1.206 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1134 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD