bolts › shear bolts
NAS6204-77
Bolt
Description
Fastener Length: 5-3/16", Thread: 1/4-28, Thread Length: "
Specifications
| Fastener Length | 5.167 inches minimum and 5.197 inches maximum |
|---|---|
| Features Provided | Finished head |
| Grip Diameter | 0.249 inches minimum and 0.250 inches maximum |
| Grip Length | 4.802 inches minimum and 4.822 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Style | Hexagon Head |
| Length | 5 3/16 |
| Material | Steel |
| Material Specification | Mil-s-5000 uns g43400 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams6322 uns g87400 assn std 2nd material response |
| Specification Data | 80205-nas6204 professional/industrial association standard |
| Surface Finish | 125.0 microinches sides of head, 125.0 microinches top of head, 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 2 fed spec all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.370 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.429 inches minimum and 0.439 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS6204-77. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error