bolts › shear bolts
NAS6604H4
Close Tolerance Bolt - Drilled Head
Description
Close Tolerance Bolt - Drilled Head
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | Between 0.660 inches and 0.690 inches |
| Grip Diameter | Between 0.2485 inches and 0.2495 inches |
| Grip Length | Between 0.240 inches and 0.260 inches |
| Head Height | Between 0.125 inches and 0.140 inches |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon corners |
| Hole Diameter | Between 0.046 inches and 0.056 inches |
| Hole Quantity | 3 |
| Hole Type | Drilled |
| 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 | 01-200-5733 |
| NSN | 5306-01-200-5733 |
| Specification Data | 80205-nas6604 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 | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.400 inches and 0.450 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Weight | 0.001 lb |
| Width Between Flats | Between 0.429 inches and 0.439 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS6604H4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error