bolts › shear bolts
NAS628H20
Shear Bolt
Description
Fastener Length: 1-63/64", Thread: 1/2-20, Thread Length: 49/64
Specifications
| Extended Washer Diameter | 0.818 inches minimum and 0.828 inches maximum |
|---|---|
| Extended Washer Thickness | 0.213 inches minimum and 0.233 inches maximum |
| Fastener Length | 1.976 inches minimum and 2.006 inches maximum |
| Grip Diameter | 0.4985 inches minimum and 0.4995 inches maximum |
| Grip Length | 1.240 inches minimum and 1.260 inches maximum |
| Hardness Rating | 43.0 rockwell c |
| Head Height | 0.494 inches minimum and 0.514 inches maximum |
| Head Style | Double hexagon w/hole |
| Length | 1 63/64 |
| Material | Steel |
| Material Specification | Mil-s-5000 mil spec 1st material response or mil-s-5626 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response or mil-s-6098 mil spec 4th material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Specification Data | 80205-nas628 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Nas 672 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 0.716 inches minimum and 0.766 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNJF |
| Thread Size | 1/2 |
| Width Between Flats | 0.552 inches minimum and 0.572 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS628H20. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error