Serving our customers with quality and safety first.
3a
RIGHT-Hand
3.952in. and 3.999in.
3.984in. and 4.021in. ⁓4-1/32"
hexagon
0.105in. and 0.120in. ⁓1/8"
0.305in. and 0.314in.
cross recess type 1
0.250in. ⁓1/4"
28
160000 pounds per square inch
iron alloy 660
ams 5731 assn std 1st material response or ams 5737 assn std 2nd material response
63.0 microinches
32.0 microinches
32.0 microinches
unjf
80205-NAS1802 professional/industrial association standard
Unjf
28
Hexagon
3.952 inches minimum and 3.999 inches maximum
Right-hand
3a
Schedule B number: 7318152000
nmfc 133300
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
unjf thread series 28 thread quantity per inch hexagon head style 3.952" thread length right-hand 3a thread class
Nothing similar to this part number was found in our inventory
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.