NSN 5306-01-628-5591

Part Details | CLOSE TOLERANCE BOLT

5306-01-628-5591 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: TX1027D68A, TX1027D6-8A, GS1014D68A, GS1014D6-8A, 3M1170D68A, 3M1170D6-8A, 3M1170D68A, 3M1170D6-8A, 3M1170D68A, 3M1170D6-8A, TX1027D68A, TX1027D6-8A, 3M1170D68A, 3M1170D6-8A, TX1027D68A, TX1027D6-8A, 11845D68A, 11845D6-8A, 3M1170D68A, 3M1170D6-8A, TX1027D68A, TX1027D6-8A, TX1027D68A, TX1027D6-8A, TX1027D68A, TX1027D6-8A, TX1027D68A, TX1027D6-8A, 3M1170D68A, 3M1170D6-8A, WC1170D68A, WC1170D6-8A, 5306-01-628-5591, 01-628-5591, 5306016285591, 016285591

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 30, 201401-628-559127851 ( BOLT, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE II

Cross Reference | NSN 5306-01-628-5591
Part Number Cage Code Manufacturer
TX1027D6-8A06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
GS1014D6-8A1EM77B & B SPECIALTIES INC.DBA G S AEROSPACE DIVISION DIV GS
3M1170D6-8A76301BOEING COMPANY, THEDBA BOEING
3M1170D6-8A58998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
3M1170D6-8A0ZC92HEARTLAND PRECISION FASTENERS, INC.
TX1027D6-8A73197HI-SHEAR CORPORATION
3M1170D6-8A1VSL7HOUSTON PRECISION FASTENERS I, LP
TX1027D6-8AC4298PRUEFTECHNIK DIETERBUSCHAKTIENGESELLSCHAFT
11845D6-8A59563REID PRODUCTS INC.DBA REID PRODUCTS
3M1170D6-8A0K6Z0SATURN FASTENERS INCDIV ACUMENT
TX1027D6-8A56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
TX1027D6-8A80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
TX1027D6-8A06725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
TX1027D6-8A27624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
3M1170D6-8A06710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
WC1170D6-8A60516WEST COAST AEROSPACE INC
Technical Data | NSN 5306-01-628-5591
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
NONSTANDARD THREAD PITCH DIAMETER+0.3450 TO +0.3479 INCHES
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.578 INCHES NOMINAL
FASTENER LENGTH1.563 INCHES MINIMUM AND 1.593 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE II
HEAD DIAMETER0.5504 INCHES MINIMUM AND 0.5604 INCHES MAXIMUM
HEAD HEIGHT0.077 INCHES NOMINAL
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
GRIP LENGTH0.500 INCHES NOMINAL
GRIP DIAMETER0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONAGAV
END ITEM IDENTIFICATIONF18 E/F
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, 100 DEGREE REDUCED HEAD, GEAR DRIVE RECESS, INCONEL 718 (125 KSI SHEAR)