NSN 5306-01-197-1577

Part Details | CLOSE TOLERANCE BOLT

5306-01-197-1577 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: VS319145, VS3191-4-5, VS319145, VS3191-4-5, GS103145, GS1031-4-5, ST3M74745, ST3M747-4-5, ST3M74745, ST3M747-4-5, HP774745, HP7747-4-5, MB15545, MB155-4-5, S39745, S397-4-5, S39745, S397-4-5, MB15545, MB155-4-5, ST3M74745, ST3M747-4-5, 12289645, 122896-4-5, 12289645, 122896-4-5, AIC68845, AIC688-4-5, PBF 126645, PBF 1266-4-5, VCG000245, VCG0002-4-5, 5306-01-197-1577, 01-197-1577, 5306011971577, 011971577

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 18, 198401-197-157727851 ( BOLT, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5306-01-197-1577
Part Number Cage Code Manufacturer
VS3191-4-592215ARCONIC GLOBAL FASTENERS & RINGS,INC.
VS3191-4-506950ARCONIC GLOBAL FASTENERS & RINGS,INC.
GS1031-4-51EM77B & B SPECIALTIES INC.DBA G S AEROSPACE DIVISION DIV GS
ST3M747-4-576301BOEING COMPANY, THEDBA BOEING
ST3M747-4-558998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HP7747-4-50ZC92HEARTLAND PRECISION FASTENERS, INC.
MB155-4-573197HI-SHEAR CORPORATION
S397-4-517446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
S397-4-597928HUCK INTL INC
MB155-4-5L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
ST3M747-4-559563REID PRODUCTS INC.DBA REID PRODUCTS
122896-4-556878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
122896-4-580539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC688-4-506725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF 1266-4-527624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
VCG0002-4-506710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5306-01-197-1577
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.282 INCHES MINIMUM AND 0.349 INCHES MAXIMUM
FASTENER LENGTH0.604 INCHES MINIMUM AND 0.651 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLE DOUBLE HEXAGON
HEAD HEIGHT0.118 INCHES NOMINAL
WIDTH BETWEEN FLATS0.448 INCHES MINIMUM AND 0.455 INCHES MAXIMUM
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
END ITEM IDENTIFICATIONAIRCRAFT, HERCULES C-130; AIRCRAFT, EAGLE F-15; AIRCRAFT, HORNET F/A-18;F414 ENGINE (F/A-18 F&G AIRCRAFT)