NSN 5305-00-939-0889

Part Details | CLOSE TOLERANCE SCREW

5305-00-939-0889 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: NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, NAS1134C2, 5305-00-939-0889, 00-939-0889, 5305009390889, 009390889

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 16, 196500-939-088929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-00-939-0889
Part Number Cage Code Manufacturer
NAS1134C208938AIR INDUSTRIES CO INC
NAS1134C250568APCOM INC
NAS1134C292215ARCONIC GLOBAL FASTENERS & RINGS,INC.
NAS1134C230902F AND C SALES INC
NAS1134C258998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
NAS1134C273197HI-SHEAR CORPORATION
NAS1134C217446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
NAS1134C297928HUCK INTL INC
NAS1134C204348LAWRENCE ENGINEERING AND SUPPLY INC
NAS1134C2L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
NAS1134C280205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
NAS1134C207851NOR-CAL SUPPLY CO.INC.
NAS1134C253606PLASTIC AND METAL PRODUCTSCORPORATION
NAS1134C256878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
NAS1134C280539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-00-939-0889
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.316 INCHES MINIMUM
FASTENER LENGTH0.426 INCHES MINIMUM AND 0.456 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.424 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 LENGTH0.125 INCHES NOMINAL
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1134 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD