Product Description: Fastener Length: 0.412", Head Major Diameter: 0.349-0.357"
Product Description: Fastener Length: 0.412", Head Major Diameter: 0.349-0.357"
| Head Style | Flush (flat) countersunk (included angle - less than 135 degree with or without chamfer) |
| Fastener Length | 0.412 inches maximum |
| Shank Diameter | 0.186 inches minimum and 0.19 inches maximum |
| Shank Style | Self-plugging mechanically locked stem |
| Head Major Diameter | 0.349 inches minimum and 0.357 inches maximum |
| Expansion Device | Serrated stem-type w |
| Grip Length | 0.188 inches minimum and 0.25 inches maximum |
| Shear Strength | 930 single pounds per square inch |
| Countersink Angle | 99 degrees minimum and 101 degrees maximum |
| Material | Aluminum alloy 5056 locking ring |
| Heat Treatment | H-38 strain hardened locking ring |
| Material Document and Classification | Qq-a-430 fed spec single material response locking ring |
| Surface Treatment | Anodize or chromate |
| Surface Treatment Document and Classification | Mil-a-8625 mil spec 1st treatment response or mil-c-5541 mil spec 2nd treatment response |
| Specification/standard Data | 80205-nas1399 professional/industrial association standard |