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3a
RIGHT-Hand
0.958in. ⁓31/32"
3.068in. and 3.098in. ⁓3-7/64"
dished hexagon
0.610in. and 0.640in. ⁓41/64"
1.801in. and 1.815in.
1.247in. and 1.249in.
CH-53E and MH-53E helicopter
1.250in. ⁓1-1/4"
1.672in. and 1.782in.
12
160000 pounds per square inch
agav
drilled bolt
steel comp E4340 and steel comp 4140 and aluminum and steel comp 8735 and steel comp 6150
unjf
Unjf
Steel comp e4340 and steel comp 4140 and aluminum and steel comp 8735 and steel comp 6150
12
1.672 inches minimum and 1.782 inches maximum
Dished hexagon
0.958 inches
Right-hand
3a
FSC 5306 ⁓ Bolts
Used on ch-53e and mh-53e helicopter. unjf thread series drilled bolt 12 thread quantity per inch 1.672" grip length dished hexagon head style 0.958" thread length right-hand 3a thread class
Nothing similar to this part number was found in our inventory
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.