NSN 5306-00-193-9603
Part Details | CLOSE TOLERANCE BOLT
5306-00-193-9603 An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.
Alternate Parts: A11134G, A111-34G, 5306-00-193-9603, 00-193-9603, 5306001939603, 001939603
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | SEP 01, 1972 | 00-193-9603 | 27851 ( BOLT, CLOSE TOLERANCE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

Cross Reference | NSN 5306-00-193-9603
Part Number | Cage Code | Manufacturer |
---|---|---|
A111-34G | K7766 | BRITISH STANDARDS INSTITUTION |
Technical Data | NSN 5306-00-193-9603
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.537 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
FASTENER LENGTH | 4.050 INCHES MINIMUM AND 4.090 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.493 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
GRIP LENGTH | 3.400 INCHES MINIMUM AND 3.513 INCHES MAXIMUM |
GRIP DIAMETER | 0.3118 INCHES MINIMUM AND 0.3123 INCHES MAXIMUM |
SPECIAL FEATURES | IDENTIFICATION DISK ON TOP OF HEAD 0.490 IN. DIA,0.030 IN. DEPTH |