Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.438in. and 0.515in. ⁓33/64"
4.141in. and 4.188in. ⁓4-13/64"
hexagon
0.140in. and 0.172in. ⁓11/64"
0.428in. and 0.440in.
spec item
0.250in. ⁓1/4"
3.672in. and 3.703in.
finished head
28
62000 pounds per square inch
aluminum
QQ-A-200 fed spec single material response or QQ-A-225 fed spec single material response or QQ-A-430 fed spec single material response
oxide film and anodize
MIL-C-5541 mil spec 1st treatment response and MIL-A-8625 mil spec 2nd treatment response
unf
Unf
Aluminum
28
3.672 inches minimum and 3.703 inches maximum
Hexagon
0.438 inches minimum and 0.515 inches maximum
Right-hand
3a
Schedule B number: 7616106000
nmfc 013280
Threaded fasteners of aluminum
FSC 5306 ⁓ Bolts
Used on spec item. unf thread series oxide film surface treated 28 thread quantity per inch 3.672" grip length hexagon head style 0.438" thread length right-hand 3a thread class
Nothing similar to this part number was found in our inventory
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. see also screw, cap, hexagon head and screw, machine.