NSN 5306-01-025-6959

Part Details | CLOSE TOLERANCE BOLT

5306-01-025-6959 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: US320443, US3204-4-3, ST3M45343, ST3M453-4-3, MB6143, MB61-4-3, BM1701943, BM17019-4-3, BM1701943, BM17019-4-3, MB6143, MB61-4-3, 1182543, 11825-4-3, 10945343, 109453-4-3, 10945343, 109453-4-3, AIC75343, AIC753-4-3, VAL2302943, VAL23029-4-3, 5306-01-025-6959, 01-025-6959, 5306010256959, 010256959

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 08, 197601-025-695927851 ( BOLT, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5306-01-025-6959
Part Number Cage Code Manufacturer
US3204-4-392215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M453-4-376301BOEING COMPANY, THEDBA BOEING
MB61-4-373197HI-SHEAR CORPORATION
BM17019-4-317446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BM17019-4-397928HUCK INTL INC
MB61-4-3L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11825-4-359563REID PRODUCTS INC.DBA REID PRODUCTS
109453-4-356878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
109453-4-380539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC753-4-306725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
VAL23029-4-306710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5306-01-025-6959
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
FASTENER LENGTH0.569 INCHES MINIMUM AND 0.616 INCHES MAXIMUM
HEAD STYLE DOUBLE HEXAGON
HEAD HEIGHT0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
GRIP LENGTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM