NSN 5305-01-337-6984

Part Details | CLOSE TOLERANCE SCREW

5305-01-337-6984 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: HT4075D92091, HT4075D9-20-91, HT4075D92091, HT4075D9-20-91, HT4075D92091, HT4075D9-20-91, HT4075D92091, HT4075D9-20-91, HT4075D92091, HT4075D9-20-91, HT4075D92091, HT4075D9-20-91, HT4075D92091, HT4075D9-20-91, HT4075D92091, HT4075D9-20-91, 5305-01-337-6984, 01-337-6984, 5305013376984, 013376984

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 21, 199101-337-698429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-337-6984
Part Number Cage Code Manufacturer
HT4075D9-20-9106950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4075D9-20-9192215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4075D9-20-9117419DEUTSCH CO THE
HT4075D9-20-9173197HI-SHEAR CORPORATION
HT4075D9-20-9117446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4075D9-20-9197928HUCK INTL INC
HT4075D9-20-91L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
HT4075D9-20-9180539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-337-6984
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.906 INCHES NOMINAL
FASTENER LENGTH2.141 INCHES MINIMUM AND 2.171 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER1.047 INCHES MINIMUM AND 1.144 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
GRIP DIAMETER0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM
SPECIAL FEATURESTAPPED HOLE IN HEAD 0.138-32 UNJC-3B THREADS. DISTANCE FROM TOP OF HEAD TO INJECTION PORT 0.910 NOM. INCH. INJECTION PORT 0.120 NOM. IN. LG; 0.060 NOM. IN. WIDE