Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.188in. and 0.209in. ⁓7/32"
0.307in. and 0.317in. ⁓21/64"
flat countersunk
0.264in. and 0.268in.
slot
0.138in. (UTS #6)
40
81.0 degrees and 82.0 degrees
copper alloy 360
nickel
ps 22, fscm 19315 mfr ref single treatment response
black
unf
1EA
Unf
Nickel
40
Flat countersunk
0.188 inches minimum and 0.209 inches maximum
Right-hand
3a
Schedule B number: 7415338550
nmfc 093486
Other copper screws (not for wood) bolts and nuts
FSC 5305 ⁓ Screws
unf thread series nickel screw surface treated 40 thread quantity per inch flat countersunk head style 0.188" thread length right-hand 3a thread class
1. | 250605BN | Cage 55972 |
2. | 250-605BN | Cage 19315 |
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.