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NAS6603D18
Close Tolerance Bolt - Drilled Shank
Description
Close Tolerance Bolt - Drilled Shank
Specifications
| Alternate Part Number | NAS1303-18D |
|---|---|
| Country of Origin | USA |
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.306 inches first hole |
| Fastener Length | Between 1.455 inches and 1.485 inches |
| Grip Diameter | Between 0.1885 inches and 0.1895 inches |
| Grip Length | Between 1.115 inches and 1.135 inches |
| Head Height | Between 0.110 inches and 0.125 inches |
| Head Style | Dished hexagon |
| Material | Steel |
| Material Specification | Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-325-3843 |
| NSN | 5306-01-325-3843 |
| Shank Unthreaded Hole Diameter | 0.070 inches first hole and 0.080 inches first hole |
| Specification Data | 80205-nas6603 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Class 2 federal specification single treatment response qq-p-416 type 2 |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.330 inches and 0.360 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 10 |
| Weight | .005 lb |
| Width Between Flats | Between 0.367 inches and 0.376 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS6603D18. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error