NSN 5306-01-374-5389
Part Details | CLOSE TOLERANCE BOLT
5306-01-374-5389 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: PC910553, PC91055-3, PC910553, PC91055-3, 5306-01-374-5389, 01-374-5389, 5306013745389, 013745389
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 24, 1993 | 01-374-5389 | 27851 ( BOLT, CLOSE TOLERANCE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
HEXAGON CORNERS
Cross Reference | NSN 5306-01-374-5389
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| PC91055-3 | 84256 | AVIBANK MFG., INC. |
| PC91055-3 | 09344 | ROCKWELL COLLINS, INC.DBA RC DISPLAYS SYSTEMS |
Technical Data | NSN 5306-01-374-5389
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.056 INCHES NOMINAL |
| FASTENER LENGTH | 1.910 INCHES MINIMUM AND 1.970 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL |
| HOLE CONFIGURATION STYLE | HEXAGON CORNERS |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 3 |
| HOLE DIAMETER | 0.046 INCHES NOMINAL |
| GRIP LENGTH | 1.380 INCHES NOMINAL |
| GRIP DIAMETER | 0.2480 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM |
| SPECIAL FEATURES | ITEM HAS CUP POINT |
