NSN 5306-01-239-1321

Part Details | SHEAR BOLT

5306-01-239-1321 A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. 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. The unthreaded portion is of specific 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. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.

Alternate Parts: BACB30ST737, BACB30ST7-37, BACB30ST737, BACB30ST7-37, BACB30ST737, BACB30ST7-37, BACB30ST737, BACB30ST7-37, BACB30ST737, BACB30ST7-37, BACB30ST737, BACB30ST7-37, 5306-01-239-1321, 01-239-1321, 5306012391321, 012391321

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 26, 198601-239-132115903 ( BOLT, SHEAR )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

Cross Reference | NSN 5306-01-239-1321
Part Number Cage Code Manufacturer
BACB30ST7-3729372ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30ST7-3792215ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30ST7-3784256AVIBANK MFG., INC.
BACB30ST7-3756878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
BACB30ST7-3780539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
BACB30ST7-3781205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 5306-01-239-1321
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.437 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.456 INCHES MINIMUM AND 0.486 INCHES MAXIMUM
FASTENER LENGTH3.175 INCHES MINIMUM AND 3.205 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE DISHED HEXAGON
HEAD HEIGHT0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
GRIP LENGTH2.302 INCHES MINIMUM AND 2.322 INCHES MAXIMUM
GRIP DIAMETER0.4363 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
SPECIAL FEATURESASSEMBLY AREA EXTENDED AT THREADED END,0.402 MIN. AND 0.412 MAX. LENGTH 0.369 MIN AND 0.372 MAX. DIAMETER; ASSEMBLY CONTAINS RETAINER PAWL,MATERIAL CRES PER AMS 5643,ROCKWELL HARDNESS 35.0 MIN. AND 39.0 MAX.,FINISH BLAST PER BAC 5951,PASSIVATE PER QQ-P-35,DRY FILM LUBE PER MIL-L-8937; SPRING,MATERIAL CRES PER AMS 5673,ROCKWELL HARDNESS 48.0 MIN.,FINISH PASSIVATE PER QQ-P-35; PIN AND PLUGS,MATERIAL 303 CRES PER ASTM A 582,FINISH PASSIVATE PER QQ-P-35