Serving our customers with quality and safety first.
2a
RIGHT-Hand
0.440in. and 0.450in. ⁓29/64"
1.620in. ⁓1-5/8"
hexagon
0.060in. ⁓1/16"
0.187in.
slot
0.086in. (UTS #2)
56
navy special project
copper alloy
unc
1EA
Unc
56
Hexagon
0.440 inches minimum and 0.450 inches maximum
Right-hand
2a
Schedule B number: 7415338550
nmfc 096630
Other copper screws (not for wood) bolts and nuts
FSC 5305 ⁓ Screws
unc thread series navy special project 56 thread quantity per inch hexagon head style 0.440" thread length right-hand 2a thread class
1. | BH5558BN | Cage 98869 |
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.