NSN 5305-01-187-5839

Part Details | CLOSE TOLERANCE SCREW

5305-01-187-5839 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: CA21017314, CA21017-3-14, LE11100013014, LE111-0001-3014, LE11100013014, LE111-0001-3014, FIT0100013014, FIT01-0001-3014, 5305-01-187-5839, 01-187-5839, 5305011875839, 011875839

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 23, 198401-187-583929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-187-5839
Part Number Cage Code Manufacturer
CA21017-3-1429372ARCONIC GLOBAL FASTENERS & RINGS,INC.
LE111-0001-301443999BOEING COMPANY, THEDBA BOEING
LE111-0001-301458998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
FIT01-0001-301458998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
Technical Data | NSN 5305-01-187-5839
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.425 INCHES MINIMUM AND 0.465 INCHES MAXIMUM
FASTENER LENGTH1.310 INCHES MINIMUM AND 1.330 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLE3 DISHED HEXAGON
HEAD DIAMETER0.360 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
HEAD HEIGHT0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
GRIP LENGTH0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SPECIAL FEATURES3 KEYWAYS 1.280 IN. MIN. AND 1.300 IN. MAX. LONG AND 0.030 IN. MIN. AND 0.034 IN. MAX. WIDE MACHINED IN SHANK. BORE MACHINED IN THREAD END TO RECEIVE PLUG