NSN 5305-00-144-9547
Part Details | CLOSE TOLERANCE SCREW
5305-00-144-9547 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: 10275648, 5305-00-144-9547, 00-144-9547, 5305001449547, 001449547
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | SEP 25, 1974 | 00-144-9547 | 29294 ( SCREW, CLOSE TOLERANCE ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-144-9547
Part Number | Cage Code | Manufacturer |
---|---|---|
10275648 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5305-00-144-9547
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.086 INCHES |
THREAD QUANTITY PER INCH | 56 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.165 INCHES NOMINAL |
FASTENER LENGTH | 0.280 INCHES NOMINAL |
HEAD STYLE | 9 CROWNED HEXAGON |
HEAD DIAMETER | 0.190 INCHES NOMINAL |
HEAD HEIGHT | 0.060 INCHES NOMINAL |
INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
GRIP LENGTH | 0.115 INCHES NOMINAL |
GRIP DIAMETER | 0.0933 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM |