NSN 5305-01-387-6048

Part Details | CLOSE TOLERANCE SCREW

5305-01-387-6048 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: ST3M4547L26, ST3M454-7L-26, HT4025L726, HT4025L7-26, HT4025L726, HT4025L7-26, ST3M4547L26, ST3M454-7L-26, HT4025L726, HT4025L7-26, ST3M4547L26, ST3M454-7L-26, HT4025L726, HT4025L7-26, HT4025L726, HT4025L7-26, 119057L26, 11905-7L-26, ST3M4547L26, ST3M454-7L-26, HT4025L726, HT4025L7-26, ST3M4547L26, ST3M454-7L-26, 5305-01-387-6048, 01-387-6048, 5305013876048, 013876048

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 08, 199401-387-604829294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-387-6048
Part Number Cage Code Manufacturer
ST3M454-7L-2606950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4025L7-2692215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4025L7-2606950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M454-7L-2676301BOEING COMPANY, THEDBA BOEING
HT4025L7-2617419DEUTSCH CO THE
ST3M454-7L-2658998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HT4025L7-2673197HI-SHEAR CORPORATION
HT4025L7-26L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11905-7L-2659563REID PRODUCTS INC.DBA REID PRODUCTS
ST3M454-7L-26K5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4025L7-2680539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
ST3M454-7L-2660516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-387-6048
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.675 INCHES NOMINAL
FASTENER LENGTH2.285 INCHES MINIMUM AND 2.315 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM
GRIP DIAMETER0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
SPECIAL FEATURESMIN. OF 40 PERCENT OF TOP OF HEAD SURFACE COATED WITH WHITE PAINT COLOR NO. 37875 PER FED-STD-595