Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.639in. and 0.750in. ⁓3/4"
0.750in. ⁓3/4"
flat countersunk
0.568in. and 0.635in.
slot
0.312in. ⁓5/16"
18
80.0 degrees and 82.0 degrees
nickel alloy
unc
1 type and , s style
as modified by material and thread class
Unc
18
Flat countersunk
0.639 inches minimum and 0.750 inches maximum
Right-hand
3a
Schedule B number: 7508900000
nmfc 139820
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
FSC 5305 ⁓ Screws
unc thread series 18 thread quantity per inch flat countersunk head style 0.639" thread length right-hand 3a thread class
1. | FFS92TYPE1STYLE2S | Cage 81348 |
2. | 60-19-8103 | Cage 96169 |
3. | 4775353 ITEM 8 | Cage 80064 |
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.