NSN 5305-01-101-8537

Part Details | CLOSE TOLERANCE SCREW

5305-01-101-8537 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: ST3M5447L9M, ST3M544-7L9M, HT4024L79M, HT4024L7-9M, ST3M4557L9M, ST3M455-7L9M, ST3M45557L9M, ST3M4555-7L9M, 434990, ST3M5447L9M, ST3M544-7L9M, HT4024L79M, HT4024L7-9M, ST3M4557L9M, ST3M455-7L9M, HT4024L79M, HT4024L7-9M, ST3M5447L9M, ST3M544-7L9M, 119077L9M, 11907-7L9M, 434990, 434990, HT4024L79M, HT4024L7-9M, ST3M4557L9M, ST3M455-7L9M, HT4024L79M, HT4024L7-9M, WC4024L79M, WC4024L7-9M, 434990, 5305-01-101-8537, 01-101-8537, 5305011018537, 011018537

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 08, 198001-101-853729294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-101-8537
Part Number Cage Code Manufacturer
ST3M544-7L9M06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4024L7-9M92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M455-7L9M76301BOEING COMPANY, THEDBA BOEING
ST3M4555-7L9M58998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
43499058998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
ST3M544-7L9M73197HI-SHEAR CORPORATION
HT4024L7-9M73197HI-SHEAR CORPORATION
ST3M455-7L9M17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4024L7-9M97928HUCK INTL INC
ST3M544-7L9ML4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11907-7L9M59563REID PRODUCTS INC.DBA REID PRODUCTS
4349900PTK6SPS TECHNOLOGIES INC
434990K5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4024L7-9M56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
ST3M455-7L9M80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
HT4024L7-9M80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
WC4024L7-9M60516WEST COAST AEROSPACE INC
43499060516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-101-8537
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.631 INCHES MINIMUM AND 0.681 INCHES MAXIMUM
FASTENER LENGTH1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.612 INCHES MINIMUM AND 0.672 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
GRIP DIAMETER0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
SPECIAL FEATURESDRY FILM LUBRICANT APPLIED TO SHANK AND THREADS