NSN 5305-00-421-6648

Part Details | CLOSE TOLERANCE SCREW

5305-00-421-6648 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: 3MA336PA16, 3MA336PA16, 3MFRA336CFA16, 3MA336PA16, 3MA336CFA16, 3MA336PA16, 3MA336PA16, 3MA336PA16, 3MA336PA16, 5305-00-421-6648, 00-421-6648, 5305004216648, 004216648

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 09, 197000-421-664829294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-421-6648
Part Number Cage Code Manufacturer
3MA336PA1692215ARCONIC GLOBAL FASTENERS & RINGS,INC.
3MA336PA1606950ARCONIC GLOBAL FASTENERS & RINGS,INC.
3MFRA336CFA1676301BOEING COMPANY, THEDBA BOEING
3MA336PA1676301BOEING COMPANY, THEDBA BOEING
3MA336CFA1676301BOEING COMPANY, THEDBA BOEING
3MA336PA1617446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
3MA336PA1606065NEWPORT AERONAUTICAL SALES
3MA336PA1677545REED AND PRINCE MFG CO
3MA336PA1606725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
Technical Data | NSN 5305-00-421-6648
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.615 INCHES MINIMUM AND 0.682 INCHES MAXIMUM
FASTENER LENGTH1.813 INCHES MINIMUM AND 1.860 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.752 INCHES MINIMUM AND 0.762 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH1.188 INCHES NOMINAL
GRIP DIAMETER0.3733 INCHES MINIMUM AND 0.3744 INCHES MAXIMUM