Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.492in. ⁓1/2"
1.679in. ⁓1-11/16"
double hexagon w/hole
0.300in. ⁓5/16"
0.312in.
0.248in. and 0.249in.
0.069in.
0.250in. ⁓1/4"
1.177in. and 1.197in.
finished head
28
180000 pounds per square inch
39.0 rockwell c and 43.0 rockwell c
32.0 microinches bearing surface of head
32.0 microinches fastener
32.0 microinches threads
steel comp 4140 or steel comp E4340 or steel comp 8740 or steel comp 6150
MIL-S-5626 mil spec 1st material response or MIL-S-5000 mil spec 2nd material response or MIL-S-6049 mil spec 3rd material response or MIL-S-8503 mil spec 4th material response
passivate
QQ-P-416 TY2 CL2 fed spec single treatment response
unjf
Unjf
Steel comp 4140 or steel comp e4340 or steel comp 8740 or steel comp 6150
28
1.177 inches minimum and 1.197 inches maximum
Double hexagon w/hole
0.492 inches
Right-hand
3a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
unjf thread series passivate surface treated 28 thread quantity per inch 1.177" grip length double hexagon w/hole head style 0.492" thread length right-hand 3a thread class
1. | MML-B-8831 | Cage 81349 |
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.