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NAS626-16
1.619 Inch Total Length NAS626 Hexagon Socket Head External Wrenching Bolt
Description
Fastener Length: 1-39/64", Thread: 3/8-24, Thread Length: 19/32
Specifications
| Country of Origin | USA |
|---|---|
| Extended Washer Diameter | Between 0.639 inches and 0.649 inches |
| Extended Washer Thickness | Between 0.081 inches and 0.101 inches |
| Fastener Length | Between 1.604 inches and 1.634 inches |
| Features | External Wrenching |
| Grip | 1.000 in |
| Grip Diameter | Between 0.3735 inches and 0.3745 inches |
| Grip Length | Between 0.990 inches and 1.010 inches |
| Hardness Rating | 39.0 rockwell c and 43.0 rockwell c |
| Head Height | Between 0.378 inches and 0.398 inches |
| Head Style | Double hexagon w/hole |
| Head Type | 12 Point Hexagon |
| Industry Standards/Certification | NAS626 |
| Material | Steel |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Pressure | 180000 psi |
| Specification Data | 80205-nas626 professional/industrial association standard |
| Suggested Nuts for the Bolts | 42FLW |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Nas 672 assn standard single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.594 inches and 0.644 inches |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.3750-24, 3/8 |
| Total Length | 1.619 in |
| Weight | .005 lb |
| Width Between Flats | Between 0.430 inches and 0.439 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS626-16. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error