NSN 5305-01-197-6513

Part Details | CLOSE TOLERANCE SCREW

5305-01-197-6513 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: BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, BACB30NT49, BACB30NT4-9, 5305-01-197-6513, 01-197-6513, 5305011976513, 011976513

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 24, 198401-197-651329294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-197-6513
Part Number Cage Code Manufacturer
BACB30NT4-906950ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30NT4-992215ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30NT4-917466GE KAYE INSTRUMENTS INC
BACB30NT4-973197HI-SHEAR CORPORATION
BACB30NT4-917446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BACB30NT4-997928HUCK INTL INC
BACB30NT4-9L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
BACB30NT4-980539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
BACB30NT4-906725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
BACB30NT4-927624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
BACB30NT4-993907TEXTRON FASTENING SYSTEMSDBA DECORAH OPERATIONS TFS
BACB30NT4-981205THE BOEING COMPANYDBA BOEING
BACB30NT4-906710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5305-01-197-6513
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.364 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
FASTENER LENGTH0.936 INCHES MINIMUM AND 0.966 INCHES MAXIMUM
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 CROSS RECESS TYPE 1
GRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM