Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.625in. ⁓5/8"
0.875in. ⁓7/8"
fillister
0.490in. and 0.519in.
0.181in. and 0.205in. ⁓7/32"
cross recess type 1
0.312in. ⁓5/16"
18
navy special project
steel
unc
Unc
18
Fillister
0.625 inches minimum
Right-hand
3a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
unc thread series navy special project 18 thread quantity per inch fillister head style 0.625" 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.