NSN 5305-01-188-9641

Part Details | CLOSE TOLERANCE SCREW

5305-01-188-9641 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: HT402732, HT4027-3-2, HT402732, HT4027-3-2, ST3M55732, ST3M557-3-2, ST3M55732, ST3M557-3-2, ST3M55732, ST3M557-3-2, ST3M55732, ST3M557-3-2, HT402732, HT4027-3-2, ST3M55732, ST3M557-3-2, HT402732, HT4027-3-2, HT402732, HT4027-3-2, HT402732, HT4027-3-2, 3929AS12273R2, 3929AS1227-3R2, 10319877, 1192332, 11923-3-2, ST3M55732, ST3M557-3-2, HT402732, HT4027-3-2, ST3M55732, ST3M557-3-2, HT402732, HT4027-3-2, HT402732, HT4027-3-2, HT402732, HT4027-3-2, ST3M55732, ST3M557-3-2, ST3M55732, ST3M557-3-2, WC4027322, WC4027-3-22, WC402732, WC4027-3-2, 5305-01-188-9641, 01-188-9641, 5305011889641, 011889641

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 10, 198401-188-964129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-188-9641
Part Number Cage Code Manufacturer
HT4027-3-292215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4027-3-206950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M557-3-276301BOEING COMPANY, THEDBA BOEING
ST3M557-3-24WL75CAMCAR LLCDIV CAMCAR LLC
ST3M557-3-258998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
ST3M557-3-20ZC92HEARTLAND PRECISION FASTENERS, INC.
HT4027-3-273197HI-SHEAR CORPORATION
ST3M557-3-21VSL7HOUSTON PRECISION FASTENERS I, LP
HT4027-3-217446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4027-3-297928HUCK INTL INC
HT4027-3-2L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
3929AS1227-3R230003NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT
10319877A486GNIMIKKEISTOKESKUS NCB FINLAND
11923-3-259563REID PRODUCTS INC.DBA REID PRODUCTS
ST3M557-3-20K6Z0SATURN FASTENERS INCDIV ACUMENT
HT4027-3-256878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
ST3M557-3-256878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4027-3-280539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
HT4027-3-206725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
HT4027-3-227624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
ST3M557-3-2007R1TWIST TITE MFG, INC
ST3M557-3-206710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
WC4027-3-2260516WEST COAST AEROSPACE INC
WC4027-3-260516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-188-9641
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
FASTENER LENGTH0.515 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM