NSN 5305-01-372-5329

Part Details | CLOSE TOLERANCE SCREW

5305-01-372-5329 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: P34938, NAS1578C3R1, 10113777, 5305-01-372-5329, 01-372-5329, 5305013725329, 013725329

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 12, 199301-372-532929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-372-5329
Part Number Cage Code Manufacturer
P34938U1604MARTIN BAKER AIRCRAFT CO LTDDBA MARTIN-BAKER
NAS1578C3R180205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
10113777A486GNIMIKKEISTOKESKUS NCB FINLAND
Technical Data | NSN 5305-01-372-5329
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.363 INCHES NOMINAL
FASTENER LENGTH0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.360 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
HEAD HEIGHT0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1578 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD