NSN 5306-01-188-6841

Part Details | CLOSE TOLERANCE BOLT

5306-01-188-6841 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: VS31744D12, VS3174-4D12, VS31744D12, VS3174-4D12, ST3M7444D12, ST3M744-4D12, GS10154D12, GS1015-4D12, ST3M7444D12, ST3M744-4D12, MB1544D12, MB154-4D12, S4064D12, S406-4D12, S4064D12, S406-4D12, MB1544D12, MB154-4D12, ST3M7444D12, ST3M744-4D12, 1228954D12, 122895-4D12, AIC6874D12, AIC687-4D12, PBF12654D12, PBF1265-4D12, VCG00014D12, VCG0001-4D12, 5306-01-188-6841, 01-188-6841, 5306011886841, 011886841

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 07, 198401-188-684127851 ( BOLT, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-188-6841
Part Number Cage Code Manufacturer
VS3174-4D1292215ARCONIC GLOBAL FASTENERS & RINGS,INC.
VS3174-4D1206950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M744-4D1292215ARCONIC GLOBAL FASTENERS & RINGS,INC.
GS1015-4D121EM77B & B SPECIALTIES INC.DBA G S AEROSPACE DIVISION DIV GS
ST3M744-4D1276301BOEING COMPANY, THEDBA BOEING
MB154-4D1273197HI-SHEAR CORPORATION
S406-4D1217446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
S406-4D1297928HUCK INTL INC
MB154-4D12L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
ST3M744-4D1257928SONIC INDUSTRIES INC.
122895-4D1280539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC687-4D1206725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1265-4D1227624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
VCG0001-4D1206710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5306-01-188-6841
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.296 INCHES MINIMUM AND 0.336 INCHES MAXIMUM
FASTENER LENGTH1.056 INCHES MINIMUM AND 1.076 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLE2 HEXAGON
HEAD HEIGHT0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM
HEAD MINOR DIAMETER0.448 INCHES MINIMUM AND 0.455 INCHES MAXIMUM
GRIP LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM