NSN 5306-01-579-7167

Part Details | CLOSE TOLERANCE BOLT

5306-01-579-7167 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: NAS621034H, NAS6210-34H, 5306-01-579-7167, 01-579-7167, 5306015797167, 015797167

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 20, 200901-579-716727851 ( BOLT, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

Cross Reference | NSN 5306-01-579-7167
Part Number Cage Code Manufacturer
NAS6210-34H80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5306-01-579-7167
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.626 INCHES NOMINAL
FASTENER LENGTH3.063 INCHES NOMINAL
HEAD STYLE DISHED HEXAGON
HEAD HEIGHT0.312 INCHES NOMINAL
WIDTH BETWEEN FLATS0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
GRIP LENGTH2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM
GRIP DIAMETER0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM
END ITEM IDENTIFICATION3MH60SC AIRFRAME; TIE ASSEMBLY FWD AI; TIE ASSEMBLY AFT AI; TIE ASSEMBLY FORE A; AFT FLOOR TIE ASSEM; MH60S AIRBORNE MINE COUNTERMEASURE MISSION
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY: HEX HD BOLT; STD: BOLT, TENSION, HEX HEAD, CLOSE TOLERANCE, ALLOY STEEL, SHORT THREAD, REDUCED MAJOR THREAD DIA., NON-LOCKING, 160KSI FTU