NSN 5306-01-277-6227

Part Details | CLOSE TOLERANCE BOLT

5306-01-277-6227 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: LE11100640829, LE111-0064-0829, 73586D8A29, 73586D-8-A29, 73586D829, 73586D-8-29, 5306-01-277-6227, 01-277-6227, 5306012776227, 012776227

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 25, 198801-277-622727851 ( BOLT, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5306-01-277-6227
Part Number Cage Code Manufacturer
LE111-0064-082943999BOEING COMPANY, THEDBA BOEING
73586D-8-A2956878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
73586D-8-2956878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5306-01-277-6227
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.529 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
FASTENER LENGTH2.451 INCHES MINIMUM AND 2.492 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLE DOUBLE HEXAGON
HEAD HEIGHT0.281 INCHES NOMINAL
WIDTH BETWEEN FLATS0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
GRIP LENGTH1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM
GRIP DIAMETER0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM