NSN 5305-01-334-7920

Part Details | CLOSE TOLERANCE SCREW

5305-01-334-7920 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: NAS1580C3T10D, 5305-01-334-7920, 01-334-7920, 5305013347920, 013347920

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 28, 199101-334-792029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-334-7920
Part Number Cage Code Manufacturer
NAS1580C3T10D80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-334-7920
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 LENGTH0.988 INCHES NOMINAL
HEAD STYLE9 DISHED HEXAGON
INTERNAL DRIVE STYLE HEXAGON
SPECIAL FEATURESHAS DRILLED THREAD