bolts › shear bolts
NAS6205-27D
Close Tolerance Bolt-Drilled Shank
Description
Close Tolerance Bolt-Drilled Shank
Specifications
| Alternate Part Number | NAS1105-27D |
|---|---|
| Country of Origin | USA |
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.919 inches and 1.969 inches first hole |
| Drilling | Drilled Head |
| Fastener Length | Between 2.111 inches and 2.141 inches |
| Grip | 1.688 in |
| Grip Diameter | Between 0.3110 inches and 0.3120 inches |
| Grip Length | Between 1.678 inches and 1.698 inches |
| Grip Tolerance | ±0.010 in |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Height | Between 0.156 inches and 0.171 inches |
| Head Style | Dished hexagon |
| Head Type | Hexagon |
| Industry Standards/Certification | NAS6205 |
| Length | 2.126 in |
| Material | Steel |
| Material Specification | Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams6322 assn standard 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-211-7469 |
| NSN | 5306-01-211-7469 |
| Shank Unthreaded Hole Diameter | 0.076 inches and 0.086 inches first hole |
| Specification Data | 80205-nas6205 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 2 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.413 inches and 0.463 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 | 0.3125-24, 1/4 |
| Weight | .005 lb |
| Width Between Flats | Between 0.492 inches and 0.502 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS6205-27D. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error