Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.639in. ⁓41/64"
0.639in. and 0.750in. ⁓3/4"
flat chamfer
0.457in. and 0.469in.
0.306in. and 0.312in. ⁓5/16"
pellet locking feature
hexagon
0.312in. ⁓5/16"
0.250in. ⁓1/4"
18
80000 pounds per square inch
39.0 rockwell c and 45.0 rockwell c
nickel alloy 400
QQ-N-281 fed spec single material response
unc
Unc
Nickel alloy 400
18
Flat chamfer
0.639 inches
Right-hand
3a
Schedule B number: 7508900000
nmfc 093486
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
FSC 5305 ⁓ Screws
unc thread series 18 thread quantity per inch flat chamfer head style 0.639" thread length right-hand 3a thread class
1. | MIL-F-18240 TYN 5/16-18UNC-3A | Cage 81349 |
Nothing similar to this part number was found in our inventory
An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.