Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.669in. and 0.760in. ⁓49/64"
0.740in. and 0.760in. ⁓49/64"
double hexagon w/hole
0.320in. and 0.340in. ⁓11/32"
0.304in. and 0.313in.
0.428in. and 0.448in.
0.060in. and 0.070in.
0.250in. ⁓1/4"
finished head
28
63.0 microinches bearing surface of head
nickel alloy 718
inconel 718, fscm 74900 mfr ref single material response
unjf
Unjf
Nickel alloy 718
28
Double hexagon w/hole
0.669 inches minimum and 0.760 inches maximum
Right-hand
3a
Schedule B number: 7508900000
nmfc 139820
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
FSC 5306 ⁓ Bolts
unjf thread series 28 thread quantity per inch double hexagon w/hole head style 0.669" 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.