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2a
RIGHT-Hand
0.750in. ⁓3/4"
flat countersunk
cross recess type 1
hatch, ballis, indv dogged
0.500in. ⁓1/2"
13
82.0 degrees
copper alloy 260 or copper alloy 270 or copper alloy 274
unc
Unc
13
Flat countersunk
Right-hand
2a
Schedule B number: 7415338550
nmfc 133300
Other copper screws (not for wood) bolts and nuts
FSC 5305 ⁓ Screws
Used on hatch, ballis, indv dogged. unc thread series 13 thread quantity per inch flat countersunk head style right-hand 2a thread class
1. | 167-8204845 PC 36 | Cage 53711 |
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.