Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.252in. and 0.302in. ⁓5/16"
0.637in. and 0.667in. ⁓43/64"
flat countersunk
0.244in. and 0.279in.
HIGH-Torque
0.312in. ⁓5/16"
18
160000 pounds per square inch
99.0 degrees and 101.0 degrees
navy special project
steel comp 4140 or steel comp 4340 or steel comp 8740
MIL-S-5626 mil spec 1st material response or MIL-S-5000 mil spec 2nd material response or MIL-S-6049 mil spec 3rd material response
cadmium and chromate
QQ-P-416, type 2, class 2 fed spec single treatment response
unjc
80205-NAS1221 professional/industrial association standard
1EA
Unjc
Cadmium and chromate
18
Flat countersunk
0.252 inches minimum and 0.302 inches maximum
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
unjc thread series cadmium screw surface treated navy special project 18 thread quantity per inch flat countersunk head style 0.252" 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.